FAQ practice is one of the most important ways to prepare for the exam! Review FRQ student writing practice samples and corresponding feedback from Fiveable Teacher Peter Apps.

Describe a physical situation and a system to which this energy bar chart could apply

Initially, a block could be attached to a spring. This spring was compressed and released from the compressed position. At this point, the bar chart for the initial system energy demonstrates the block has reached the point where the spring is at its initially unstretched position, where it has maximum kinetic energy and the PE of the system is 0. The block then continues to travel beyond this point, however, on a surface with friction. This friction does negative work on the object, decreasing its speed and therefore its kinetic energy. While this will increases the GPE due to an increase in position, the box will slow to a stop, making the PE spring equal too. These conditions are demonstrated in the bar chart for the final system energy past the unstretched position of the string.

Here’s a couple of tips about your answer:  (1) Nice job interpreting that we need to have KE decrease, PEg increase and some outside force do work on the system. (2) Make sure at the beginning of your paragraph you clearly define the system. Are we talking about just the sphere (just KE allowed), sphere-Earth (KE and PEg allowed), or sphere-spring-Earth (KE, PEs, PEg allowed)? (3) PEg increasing means we need to have a change in height, but I didn’t see anything in your explanation that mentioned a hill or ramp or launching the sphere upwards. (4) Friction could reduce the KE of the object, but the overall work is positive, not negative, so there must be another force that will result in the net force being positive.

In the sphere - spring - earth system, a black is initially attached to a spring on a flat surface. The block is then compressed and releases once the block reaches the springs unstretched position once again, the KE is at a maximum while the PE g and PE s is 0. This is demonstrated with the bar chart for the initial system energy. Next, the spring is brought up an incline with friction by the force of a hand bringing it up. The spring is repositioned so that it can be in an unstretched position on the ramp. The spring is then compressed and released. Once the spring reaches its unstretched position, there is GPE and KE, however, friction does do work on the black. The PE spring is at 0 because the block is at the spring's unstretched position.

This is better, but you’re still over complicating the scenario. Because PEs was 0 at the beginning and end, you don’t need a spring at all. It’s ok that you included it but then you need to jump through so many hoops to make it work.

I’d do something much simpler. We need to be moving at the beginning (KE), gain some energy (positive work), and end up with a bit less KE but more PEg at the end.

Anytime we’re looking at increasing PEg we need to change height. That means a ramp or hill or going upwards into the air.

AP Physics Unit 4 FRQ Practice Prompts & Feedback

FRQ practice is one of the most effective ways to prepare for an AP exam! Review these student samples in response to a unit 3 Physics 1 practice prompt, all with corresponding feedback from Fiveable teacher Peter Apps!

An explorer plans a mission to place a satellite into a circular orbit around the planet Jupiter.

a) If the radius of the planned orbit is R, use Newton’s laws to show each of the following.

i. The orbital speed of the planned satellite is given by

b) The mission goes according to plan and a stable orbit is achieved. However the orbital speed of the satellite is greater than expected. Describe the changes to the orbit, caused by this increase in speed.

a) i. FBD of satellite shows that Fg is the net centripetal force on the satellite.

ii. Period = time it takes to complete 1 revolution.

tangential velocity x period = circumference of orbit

The excess speed will widen the orbital radius because the force of gravity does not provide a strong enough centripetal force at the initial radius:

Moving farther away decreases v and increases potential energy, and increasing R decreases the required Fg.

Since the orbital speed is greater than before, the orbit’s radius is also larger (derivation in part ai). In addition, the larger radius also means that the orbital period is also larger (part aii). Increasing the radius of the orbit also increases the potential energy of the orbit (Ug = - GMm/R) and the kinetic energy of the satellite will be decreased as well (K = 1/2mv^2)

i. Fnet=ma. Fg=mac. Gmsmj/r^2=mv^2/r. Cancel r, and ms,Gmj/r=v^2/ v=rootGmj/r.

ii. Gmsmj/r^2 = m(2pir/t)^2/r. T^2Gmj=4pi^2r^2r. T= root 4pi^2r^3/GMj. Main point: plug 2pir/T for v.

b. It would decrease the radius as V^2= Gmj/r, G and Mj stay same. With decrease radius, then the period would decrease too

I guess, I needed to be more clear about the question. Assuming the same entry point (distance above the planet), a greater velocity will result in an elliptical orbit, with the closest point of approach being that entry point. Since it’s an ellipse, the farthest point of the orbit will have a larger radius than the circular one, a slower speed at that point (conservation of linear momentum) and more Ug, less KE.

If (as I think you were doing) all we know is that the satellite is moving faster, and assume a circular orbit then yes, you are correct that we’d need a smaller radius which gives more KE and less Ug, and a quicker period.

AP Physics 1 Unit 3 FRQ Practice Prompt & Answers

This guide is for the 2021 AP Physics 1 exam

If I had to pick the best way to get a 5 in AP Physics 1 in five words, it'll be "familiarize, organize, research, practice, and ask."

The AP Exam has a lot of tricks up its sleeve 👕 and if you do these five things throughout the year (

for short), you're on the right track towards earning that 5! 🎉

That's right. You got two major things to look at: the class and the exam. Knowing 

the content that you test over is the key 🔑 to getting a 5. Like most STEM AP classes, your score is evenly split between MCQs and FRQs.

The multiple-choice section makes up 50% of your score, and you have an hour and 30 minutes to answer 50 questions. The last 5 questions need you to pick two correct answers. The free-response section makes up the other 50% of your score. You have an hour and 30 minutes to answer 5 questions.

This section has four 4️⃣ question types:

 going to be tested on the exam. Some topics will be featured more prominently than others, so that should also influence how much you study a given unit compared to others. Here are the weights for each unit on the AP Exam:

Use this information to guide your studying 👀! You'd want to prioritize unit 5+7 over unit 6 as it has a larger weight larger on the exam! 

Most students often skip this step because this often sounds inconvenient at the time. However, organization is one of the most important steps to be a successful student in this class.

Remember, organization is inversely proportional to time wasted. The more you organize, the less time you waste decluttering and searching for notes & PDF copies in the long run! 📝

on key topics, especially ones you're having trouble with 📚

Every piece of knowledge matters. That means that you shouldn't stop at what you know inside the classroom! With physics, you need to understanding major topics both conceptually and mathematically.

Research in this case isn't what you're probably thinking right now: labs and professors. Here, research means tons of reading and looking at worked examples to see how to solve the problems on the AP Exam. The more you see about a certain topic, the more you're likely to remember and, ultimately, understand it

The point is: you can't go to school on the day of the test empty-handed.

Now that you've looked at examples and maybe worked out a worksheet or two, it's time to move on to practice tests! For the MC section, I recommend looking at prep books <TK> (especially Princeton Review and Barron's) for AP-style questions. Time yourself and see how long it takes you to breeze through. Also, pay attention to topics that slow you down so you can allocate more review time for those.

 to find questions by unit, topic, and type (one of the four mentioned above). You can also check out some of these FRQ review streams to see walkthroughs of recent prompts: 

As you know, physics is a highly conceptual field of science. Sometimes, analogies and real-life examples help you best in understanding specific concepts. For example, If your teacher is becoming too technical, you can always ask for a demo or an application of said concept so that everything makes more sense.

Questions aren't just limited to that, though. Feel free to ask about engaging "what-if" scenarios (e.g. "what if the static friction's force on an object is larger than another object's force on that object?"). Sometimes, all it takes for the puzzle pieces to fall into place is an answer to a question lingering in your mind for so long.

See the common theme? Spending a little time every day outside of class to know what to do and then consolidating all your resources in one place will save time. Doing so will make your review sessions more productive than ever!

AP Physics 1 can pack a punch, but as long as you stay on top of classwork, homework, and exam, practice, you're bound to get a 5. 

How to Get a 5 in AP Physics 1

Each AP Physics 1 class across the nation often defaults to using 1 or 2 of the common textbooks. Objectively, some are better than others in terms of thoroughness, clarity, and content. 

On the other hand, prep books are abridged versions of the textbooks and are viewed to be helpful because they hugely base their framework on the College Board's curriculum. As a student of one of the AP classes with the lowest pass rates, it's crucial for you to maximize your resources while saving money and time in order to secure that 5! Keep reading to find a list of the best AP Physics textbooks, prep books, and a few additional resources that will get you well on your way to a 5!

As an AP Physics 1 student, a textbook provides really detailed information in the form of examples, highlighted sections, and summaries. The College Board has provided a list of recommended textbooks, which you can find 

. In no particular order, below are Amazon links to the six best-reviewed textbooks from the College Board's list.

: These textbooks vary in price. If your school has already provided you with a textbook, we do not recommend purchasing an additional textbook!

Here's a list of the best AP Physics 1 prep books, along with background information to help you find the prep book that best suits you! 

Here are a few more AP Physics 1 Resources if textbooks and prep books aren't your style.

Half the battle of passing the AP Physics 1 test with flying colors is finding the right resources to stick to for the most part. Textbooks and prep books serve as supplemental learning resources adding on to what you are currently learning at school. Take advantage of the features of these resources and keep practicing! You got this — happy studying!

Best AP Physics 1 Textbooks and Prep Books

We’ve compiled a sortable list of all AP Physics 1 past prompts! The AP Physics 1 FRQs are 50% of the exam including short-answer questions, experimental design questions, qualitative/quantitative translation questions, and a paragraph-length response.

 (SAQs) are your standard multi-part free-response questions asking to solve for a given variable or quantity or to label a diagram or graph. 

 questions will ask you to design an experiment given a certain scenario. 

 questions will challenge you to explore the relationship between the conceptual understanding of a model and the mathematical representations of that model. Finally, the 

 will be where you’ll write a paragraph showing your conceptional knowledge of why a system behaves the way it does.

It’s important that you understand the question styles going into the exam. Use this list to practice!

Since the Physics 1 exam was first released in 2015, there are only five years of released exams with questions using this format.

AP Physics 1 Free-Response Questions (FRQ) – Past Prompts

Ever been curious about why a ball travels in a curved path when thrown across a room? Wondered why some objects can slide across a wooden table faster than others? Pondered how the moon doesn't stray away from the Earth's orbit? 

If you said yes on any of these questions, AP Physics 1 is the class for you!

AP Physics 1 is the first of two algebra-based Advanced Placement® physics classes. It used to be merged with content from AP Physics 2 into a yearlong Physics B class, but the College Board separated them into two separate classes.

AP Physics 1 covers the following major topics:

Note that even with these distinctions, there are still overlaps between some groups that aren't explicitly implied below.

Torque, Circular & Rotational Motion, and Gravitation ⭕

Simple Harmonic Motion & Mechanical Waves (i.e. Sound) 🔊

Electricity: Electric Charge/Force & DC Circuits ⚡

Asking yourself questions before taking the course itself will help gauge how much work you need to put into your class on top of extracurriculars. Ask yourself:

How interested are you in physics before taking AP Physics 1?

How much algebra do you know before taking AP Physics 1?

How much physics do you know before taking AP Physics 1?

Besides AP Physics 1, what other APs are you taking this year?

Outside of the AP Physics 1 class, what other supplemental resources can you consult if you ever need assistance?

Physics is about how objects behave or move AND how to use mathematical reasoning to quantitatively express these actions. So, the proper approach to learning Physics 1 involves a combination of both.

"You need to truly understand what the formulas mean and what they are. It's hard to get that sense of intuition in a short time without putting in lots of work, which makes this class so hard."—EPICNESS2500

Memorizing formulas and just plugging numbers when a question mentions a particular quantity is NEVER the proper approach to learning physics. This, unfortunately, becomes the pitfall of a huge chunk of students: they are unable to connect the numbers presented in a problem to the associated concepts, causing them to struggle with the more conceptual questions 😵

In terms of difficulty, Physics 1 won't be 

 challenging if you spend time reviewing your notes before the next class session. It's important to stay on track because unit topics build on previous concepts covered. Being behind even by one or two steps will affect your ability to completely grasp key concepts later on in the course. 

"I struggled throughout that class last year but picked myself up in the second semester. The key is that Physics 1 is all about the concepts. Know them inside and out. The math is just plugging in equations and knowing all the problem types, but the concepts will wreck you if you don't know them well." -

Speaking of which, don't hesitate to ask your teacher questions and use outside resources. Here's some examples:

: From study guides to live stream replays, Fiveable's your go-to if you need an interactive refresher of either a given topic or the overall unit.

Check out Khan Academy whenever you need to review special concepts or do practice problems. The practice is much recommended as it explains why each answer choice is (in)correct.

 Another repository of awesome videos and notes, Flipping Physics does demonstrations on top of lectures—a must-see for visual learners. FP also goes over previous years' Free Response Questions (FRQs), which make up 50% of your exam score!

When browsing, look at sample problems, notes, and real-life analogies. They'll help you understand the content further, especially in such a fast-paced class as AP Physics 1 📝

 In a nutshell: AP Physics 1 is challenging if you don't seek help on your own!

 It'll take more than one time going over the lesson before having a solid grasp over topics covered that day. Use online resources (e.g. Fiveable, Khan Academy, Flipping Physics) to add on to what you know in class. Do a lot of practice problems to familiarize yourself with what'll you'll see on the AP exam!

Sometimes, you have to let the numbers speak for themselves. Here are the score distributions from 2019:

What does this mean for you? Physics 1 is not a walk in the park, but with hard work and dedication (sounds cliched, but it's true), getting a 3 or higher is definitely doable! 

If you find yourself curious now and then with the most mundane processes around us, from tires skidding when braking to lights dimming over time, physics is where you will learn the reasoning behind relevant concepts such as friction, gravity, and electricity. In terms of learning, you'll bring home countless takeaways from the class, especially if you are interested in taking on physics as a career option through either engineering or applied physics 🚀

Your efforts will also be handsomely rewarded at the end of the year. Most colleges across the nation offer credit if you get a score of 3 (4 or 5 for the more competitive colleges), and you can always 

 to see if your dream school does. Keep in mind that some colleges might require you to take their physics courses to ensure that you have a solid foundation in physics. 

Still, being exposed to college-level physics in high school will be advantageous once you get to college because all you need by then is to clear off the cobwebs instead of starting from scratch 🙌

Physics may seem intimidating at first, but taking the class personally taught me how to reason scientifically. 

Ultimately, the choice is up to you. Remember to consider other factors impacting you at school like community service, internships, clubs, and other activities that may divert your attention from putting your best foot forward in AP Physics 1. Don't overwork yourself!

If you're taking on the class, best of luck and don't forget that 

! Trust us, it'll keep you from losing your sanity. You got this 😉

Is AP Physics 1 Hard? Is AP Physics 1 Worth Taking? 

Let’s get right to it: believe it or not, AP Physics 1 is not *that* hard to self-study. You don't have to be Albert Einstein, Isaac Newton, or Gustav Kirchhoff to make Physics 

. All you need is hard work and dedication to snag that 5!

Self-studying may seem intimidating. Let's name a couple reasons why: 

The point is that self-studying isn't as daunting as what it seems to be. Knowing the battle you're about to fight, and preparing accordingly, will help you succeed with AP Physics 1, regardless of whether you self-study or take the class 🤓

Don't be THIS person! I repeat, don't set aside work for way later! Image Courtesy of 

Now that you're all hyped up and raring to go, where EXACTLY do you go 🤔

 framework for each of its AP classes, including Physics 1. Here, you can see how it divides the AP Physics 1 units, how much of the test they comprise, and an overview of the subtopics you are expected to be familiar with under each unit. We recommend looking at the 

section before diving into the specific topics, which is time-consuming.

The AP Physics 2 Course & Exam Description is your best friend when it comes to familiarizing yourself with the curriculum. In fact, you can figure out which units and topics you need to focus on as you prepare. 

Now that you know what you are doing, you need to know how you are going to do it. Notably, you need resources for two equally important things: content and practice. Let’s talk about acquiring content first. You can achieve this in a multitude of ways.

A textbook is your one-stop-shop for all the content you need for this class.📚 Check out our recommended list of textbooks and prep books! 

Here are a few that are a great source of information and practice questions: 📖

Individual AP teachers also post PowerPoints and assignments on their classroom websites.

Number one rule? Stay organized! Divide your calendar into the 10 units in AP Physics 1.

For reference, here's the weighting of each of the units:

3. Circular Motion and Gravitation:  4-6%

8. Electric Charge and Electric Force: 4-6%

Just by looking at the numbers, you should spend more time with Units 4, 7, and 10 than Units 3, 6, and 9. Laying out the composition of the exam helps to pinpoint what needs to be studied more in-depth. 

Physics is inherently a math-based class. You need to practice all aspects of the content. Do as many practice questions as you humanly can. Look over the internet for worksheets from other Physics classes and see if you can solve them. 

Besides multiple choice questions or worksheets, be sure to practice FRQs since they constitute 50% of your exam score. Past FRQs with the answer keys are at the bottom at this 

As you practice, be sure to keep track of the questions you miss. Often, you can identify which units you want to work on by looking at problems you either get wrong or take a long time answering.

With a well-formulated plan and a consistent workflow, you'll be set by the time May comes! 

A high AP score is not obtainable with last-minute test prep. It is only possible if you put effort in over the next 9-10 months from the day school starts. It is understandable to lose motivation as the year progresses, but keep in mind that everything will pay off in the finish line. Keep grinding and go get that 5!

AP Physics 1 Self-Study and Homeschool

In AP Physics, the first thing you learn is typically kinematics - that is the physics of motion. Whether 1 dimensional or 2 dimensional, the 

 (Sometimes called SUVAT equations) are key tools in finding displacement, initial or final velocities, and other quantities like acceleration and time. So, what are the kinematic equations and how do you derive them?

When an object moves from A to point B under a constant acceleration, 

Fun Fact: you only need to know just three of these quantities in order to determine the other two! College Board gives the following equations on the equation sheet:

Note that College Board drops the subscript for final position and velocity but feel free to leave them on to avoid misunderstandings.

You should also know the following definition of average velocity. Occasionally you will need this:

(1) List all the variables you know and their values. Remember, you just need at least three! Here’s a few tips if it’s not explicitly stated.

During free fall, the magnitude of the vertical acceleration is g = 9.8m/s²

If the starting and final position is equal, you may set Δd to zero

At the top of a trajectory, the vertical component of the velocity will be zero.

If needed, draw a picture! Pictures can help you label values and get a better perspective as to how things work kinematically

(2) Determine the variable you are solving for

(3) Determine the relevant equation(s) to use.

Oftentimes there is a “missing quantity” that is not given, and you do not need to solve for it. Note that each equation excludes exactly one variable. Picking the equation that does not include this “missing quantity” is the best way to proceed.

Romeo throws a bouquet of flowers up a building. What is the minimum speed he needs to throw the flowers such that it lands in Juliet's balcony, which is at a height of 5 meters above him?

First, we will determine as many known variables as possible. At first, this may seem troubling as there is only one number in the question! We only know that the vertical displacement Δd is 5 meters.

However, because the object travels through the air it experiences a constant acceleration of -9.8 m/s².

Finally, we will use the last piece of information we haven't used yet: we wish to find the minimum speed. In other words, Romeo needs to throw the flowers up in such a way where it reaches the balcony but just barely. This occurs when the balcony is at the top of the trajectory or when the velocity is zero.

The quantity we wish to find is the initial velocity. The only equation that includes only these four variables in equation 3:

: Notice that the equation we chose did not depend on time. Whenever you don't get the value of the time elapsed, this equation is almost always the right way to go.

A traditional physics course would formally derive the kinematic equations with calculus. However, there is a far more intuitive and beautiful way of looking at them with just plain algebra.

First, we will plot velocity vs time on a graph.

This graph represents an object that starts with an initial velocity and steadily increases it as time grows.

The slope of the graph is Δv/Δt which is the definition of acceleration. The y-intercept is the velocity of the object at t=0 or the initial velocity vᵢ. Using y=mx+b, the general form of the line is:

The x-axis is time and the y-axis is velocity so substituting those variables give:

Remarks: this could have also been derived using the definition of acceleration
a = (v-vᵢ)/t and then rearranging to solve for v. However I chose this slightly different way to create the basis for the next section.

Before we move on to this derivation, we will first show that the area under the velocity vs time graph is the displacement. If you are already familiar, you may skip the next subsection.

If you jog at 2 m/s for 4 seconds, it is not hard to see that your displacement will be 8 meters. Graphically, this is represented by the area traveled: 

Kinematic Equations and Derivations

Here is an outline for AP Physics 1, Unit 4: Energy, created in accordance with the 

Check out all the Fiveable guides, slides, and videos for AP Physics 1

In Unit 4, students are introduced to the idea of conservation and work as the agent of change for energy. Students will use old and new models and representations to analyze physical situations. 

These models will now incorporate force or energy as major components. Complete knowledge of these energy models will give students the capability to make predictions and justify claims with evidence about physical situations. 

For an isolated or closed system, conserved quantities are constant. An open system exchanges any conserved quantity with its surroundings.

An exchange can be either a force exerted by objects outside the system or a transfer with objects outside the system. The boundary between a system and its environment is decided by the person considering the situation.

 W = D x F, where D is the distance parallel to F, the force applied. The SI units are Joules for Work, Newtons for Force, and Meters for distance. 

 PE (Gravitational Potential Energy) = mgh, where m is an object’s mass, g is the acceleration due to gravity, and h is the vertical height of an object. The SI units are Kilograms for M, 9.8 /s/s or 10 m/s/s for G, and Meters for H. 

 PE (Spring Potential Energy) = ½ kx^2, where k is the spring constant and x is the stretch or compression. The SI units are Newtons/Meters for K and Meters for X. 

 KE (Kinetic Energy) = ½ mv^2, where m is an object’s mass, and v is its velocity. The SI units are Kilograms for Mass, and Meters/Second for Velocity. 

 KE (Rotational Kinetic Energy) = ½ Iω^2, where I is the rotational inertia and ω is angular velocity. The SI units are Radians/Second for ω and Kilogram X Meter^2 for I. 

Conservation of Energy, Work-Energy Principle, and Power

 KEi + PEi + Wext = KEf + PEf, where i is initial, f is final, KE is kinetic energy, PE potential energy, and Wext is work external. 

 W = ΔKE, where W is the total work and ΔKE is the change in kinetic energy (KEf - KEi). The SI units are Joules for W and ΔKE. 

 P = W/T, where P is power, W is work, and T is time. The SI units are Watts for Power, Joules for Work, and Seconds for Time.

Be sure to review the past FRQ prompts published by the College Board (

 to look over some important terms and key concepts from this unit. You can do it!  

Unit 4 Review - Energy

Here is an outline for AP Physics 1, Unit 2: Dynamics, created in accordance with the 

Be sure to review the past FRQ prompts published by CollegeBoard (

 to take a look at a couple important terms and key concepts from this unit. You got this! 💪 

 There's more AP Physics 1 review inside of Fiveable. Check out all the guides, slides, and videos!

In this unit, students are introduced to force, which is the interaction of an object with another object. In order to accomplish this, students build upon the information presented in Unit 1, specifically free-body diagrams. Also, students must be able to showcase the same object–force interactions through different graphs, diagrams, and mathematical relationships. Unit 2 further encourages students to form new expressions from basic principles to help them make predictions in unfamiliar contexts. 

In the following image, the rope holding the system together is representative of a force known as 

. Tension between objects remains the same regardless of friction or not. In systems, internal interactions such as these have little changes or none at all which is why it can be regarded as an object.

If you recall from Kinematics, an object's acceleration is equal to 9.8 m/s/s when an object is in free fall.

This law deals with two main concepts in physics: the principle of 

. Newton’s First Law is sometimes known as the Law of Inertia because it explains the concept that objects have the tendency to resist a change in motion. 

AP Physics 1 | Unit 2 Review - Dynamics

Studying for the 2021 AP Physics 1 exam? We've pulled together a list of study guides for every unit so you can focus your time on studying and not looking for resources! All of these study guides were created by AP Physics 1 teachers and students who have passed the exam. They include everything you need to know to get a 5 on the exam.

We're publishing more every day, so visit our 

 resources page and check back or send us a message with any immediate requests!

Unit 1 is your first foray into physics! You'll study kinematics, the study of the motion of matter. In this unit, you're introduced to the fundamental quantities of kinematics and the equations relating them. First, one-dimensional kinematics is covered, but you'll quickly learn that these topics apply to multiple dimensions as well.

1.1 - Position, Velocity, and Acceleration

After kinematics, we move onto dynamics, which is the study of forces and how motion changes over time. We will also be introduced to Newton’s Laws of Motion, which are the bread and butter of mechanics and also a lot of other physical concepts as well.

2.5 - Newton's Third Law and Free-Body Diagrams

2.7 - Applications of Newton's Second Law

🚀 Unit 3: Circular Motion and Gravitation

We then move onto circular motion and gravitation, where an object moves around a central point or object. Gravitation is also an attractive field force, where one object attracts another, but these objects don’t have to be touching, unlike the forces you’ve learned in unit 2.

3.4 - Gravitational Field and Acceleration due to Gravity on Different Planets

3.6 - Centripetal Acceleration and Centripetal Force

3.7 - Free-Body Diagrams for Objects in Uniform Circular Motion

3.8 - Applications of Circular Motion and Gravitation

We then move on to discussing energy, which is the ability for an object to do work. We will talk about kinetic energy, the energy of an object in motion, and potential energy, the energy of an object due to its position.

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Free Reviews 2020

AP Physics Essentials

Free Response Questions (FRQs)

Multiple Choice Questions (MCQs)

Blogs

Peter Apps

Jenni MacLean

Christian Horner

Jenny Kostka

Ethan Hansen

Oather Strawderman

John Frensley

Peter Cao

Jed Quiaoit

Kanya Shah

Jacob Jeffries

Erin Brzusek

Catherine Liu

Serene Feng

Kelley Commeford

Casey Li

Briana Dokken