free diagnosticupgrade
  1. browse cram archives
  2. ap physics 1
  3. AP Physics 1 - Q&A: Work, Energy & Friction

ap physics 1 - q&a: work, energy & friction

originally streamed in 2020 with Kelley CommefordTeacher
subscribe
Q&A session covering Physics 1 test prep topics with Kelley Commeford. Get help with work-energy problems, collisions, angular momentum, torque, circular motion, and orbital mechanics. Perfect for students preparing for the AP Physics 1 exam. This s ...more

curriculum note

This video was recorded during the COVID-19 pandemic (2020) when AP exams used a special remote format. The current AP Physics 1 exam structure and format differ from what is referenced in this session.

covered in this stream

units
Unit 3 – Work, Energy, and PowerUnit 5 – Torque and Rotational DynamicsUnit 6 – Rotating Systems: Energy & MomentumUnit 2 – Force and Translational Dynamics
topics
3.1 Translational Kinetic Energy3.2 Work3.3 Potential Energy3.4 Conservation of Energy5.1 Rotational Kinematics5.3 Torque6.3 Angular Momentum and Angular Impulse6.4 Conservation of Angular Momentum6.6 Motion of Orbiting Satellites2.9 Circular Motion

timestamps

  • 0:00

    Q&A Session

  • 0:36

    Introduction to Physics Q&A

  • 1:06

    Work Energy Problem Prep

  • 5:59

    2015 FRQ Problem Overview

  • 7:27

    Block and Spring Setup

  • 8:29

    Graphing Energy Functions

  • 11:48

    Potential Energy Parabola

  • 14:25

    Graph Scoring Breakdown

  • 16:00

    Student Reasoning Analysis

  • 19:13

    Quantitative Expression Derivation

  • 24:10

    Initial Energy Calculation

  • 28:31

    Quadruple Energy Argument

  • 30:37

    Next Topic Selection

  • 31:41

    Disc Collision Problem

  • 34:52

    Equation Dependence Check

  • 38:12

    Mistaken Equation Analysis

  • 42:19

    Post-Collision Speed Derivation

  • 53:30

    Angular Momentum Conservation

  • 57:47

    Rotating Disc Torque

  • 1:03:06

    Inertia Equation Derivation

  • 1:08:04

    Oil Dripping Experiment

  • 1:16:02

    Torque Modeling Equations

  • 1:21:53

    Circular Motion Orbit

  • 1:25:32

    Orbital Period Derivation

  • 1:35:34

    Second Spacecraft Period

  • 1:38:28

    New Orbit Speed Analysis

  • 1:42:46

    Closing and Exam Tips

  • 1:43:49

    AP Exam Video Link

more on these topics
AP Physics 1 CRAM – Units 3-4: Circular Motion & Energy

3:00:21

AP Physics 1 CRAM – Units 3-4: Circular Motion & Energy

2023 Ā· Julianna Fontanilla

AP Physics 1 - Q&A: Energy, Rotation & Circular Motion

1:44:47

AP Physics 1 - Q&A: Energy, Rotation & Circular Motion

2020 Ā· Kelley Commeford

AP Physics 1 - Units 1-4 Review: Kinematics to Energy

1:07:08

AP Physics 1 - Units 1-4 Review: Kinematics to Energy

2020 Ā· Kelley Commeford

AP Physics 1 - 2018 FRQ Review: Circular Motion & Gravity

1:03:19

AP Physics 1 - 2018 FRQ Review: Circular Motion & Gravity

2020 Ā· Peter Apps

AP Physics 1 - 2018 FRQ Review: Rotation, Torque & Waves

1:02:06

AP Physics 1 - 2018 FRQ Review: Rotation, Torque & Waves

2019 Ā· Peter Apps

up next in ap physics 1
AP Physics 1 - Kinematics: Position & Velocity Graphs

1:02:50

AP Physics 1 - Kinematics: Position & Velocity Graphs

2023 Ā· Shagun Khare

AP Physics 1 - Q&A: Momentum & Collisions

1:01:50

AP Physics 1 - Q&A: Momentum & Collisions

2020 Ā· Peter Apps

AP Physics 1 CRAM – Kinematics & Projectile Motion

1:08:06

AP Physics 1 CRAM – Kinematics & Projectile Motion

2020 Ā· Peter Apps

AP Physics - Q&A: Rotational Motion & Angular Velocity

42:58

AP Physics - Q&A: Rotational Motion & Angular Velocity

2020 Ā· Peter Apps

AP Physics 1 - Free-Body Diagrams & Force Vectors

57:11

AP Physics 1 - Free-Body Diagrams & Force Vectors

2020 Ā· Peter Apps

more from Kelley Commeford
AP Physics - Units 5-7: Momentum, SHM & Rotational Motion

1:06:12

AP Physics - Units 5-7: Momentum, SHM & Rotational Motion

2020 Ā· Kelley Commeford

AP Physics 1 - Angular Momentum & Torque

56:50

AP Physics 1 - Angular Momentum & Torque

2020 Ā· Kelley Commeford

AP Physics 1 - Rotational Kinematics & Torque

52:40

AP Physics 1 - Rotational Kinematics & Torque

2020 Ā· Kelley Commeford

AP Physics - Units 5-7 Review: Momentum, SHM & Rotation

1:04:48

AP Physics - Units 5-7 Review: Momentum, SHM & Rotation

2020 Ā· Kelley Commeford

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP Exam AccommodationsAP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

every AP exam is fiveable

history

šŸŒŽ ap world historyšŸ‡ŗšŸ‡ø ap us historyšŸ‡ŖšŸ‡ŗ ap european history

social science

āœŠšŸæ ap african american studiesšŸ—³ļø ap comparative government🚜 ap human geographyšŸ’¶ ap macroeconomicsšŸ¤‘ ap microeconomics🧠 ap psychologyšŸ‘©šŸ¾ā€āš–ļø ap us government

english & capstone

āœšŸ½ ap english languagešŸ“š ap english literaturešŸ” ap researchšŸ’¬ ap seminar

arts

šŸŽØ ap art & designšŸ–¼ļø ap art historyšŸŽµ ap music theory

science

🧬 ap biology🧪 ap chemistryā™»ļø ap environmental sciencešŸŽ” ap physics 1🧲 ap physics 2šŸ’” ap physics c: e&māš™ļø ap physics c: mechanics

math & computer science

🧮 ap calculus abā™¾ļø ap calculus bcšŸ“ ap precalculusšŸ“Š ap statisticsšŸ’» ap computer science aāŒØļø ap computer science p

world languages

šŸ‡ØšŸ‡³ ap chinesešŸ‡«šŸ‡· ap frenchšŸ‡©šŸ‡Ŗ ap germanšŸ‡®šŸ‡¹ ap italianšŸ‡ÆšŸ‡µ ap japanesešŸ›ļø ap latinšŸ‡ŖšŸ‡ø ap spanish languagešŸ’ƒšŸ½ ap spanish literature

career kickstart

šŸ’¼ ap business with personal financešŸ”’ ap cybersecurity

go beyond AP

high school exams

āœļø PSATšŸŽ“ Digital SATšŸŽ’ ACT

honors classes

šŸ¬ honors algebra IIšŸ«€ honors anatomyšŸ‡ honors biologyšŸ‘©šŸ½ā€šŸ”¬ honors chemistryšŸ’² honors economicsšŸ“ honors geometryāš¾ļø honors physicsšŸ“ honors pre-calculusšŸ“Š honors statisticsšŸ—³ļø honors us governmentšŸ‡ŗšŸ‡ø honors us historyšŸŒŽ honors world history

college classes

šŸ‘©šŸ½ā€šŸŽ¤ artsšŸ‘” businessšŸŽ¤ communicationsšŸ—ļø engineeringšŸ““ humanitiesāž— mathšŸ§‘šŸ½ā€šŸ”¬ sciencešŸ’¶ social science

hs classes

šŸ›ļø alabama historyā›°ļø appalachian studies🌓 california historyšŸŒ earth science🌐 ethnic studies🐊 florida historyšŸ‘ georgia historyšŸŒŽ global studies🌺 hawaiian studiesšŸ“° journalism🪶 native american studies🌵 new mexico history🤠 oklahoma historyāš—ļø physical sciencešŸŽ™ļø speech and debatešŸ¤ texas government🤠 texas history🌲 washington state historyšŸ•Šļø world religions

RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

Ā© 2026 Fiveable Inc. All rights reserved.

APĀ® and SATĀ® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.

every AP exam is fiveable

Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP Exam AccommodationsAP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

history

šŸŒŽ ap world historyšŸ‡ŗšŸ‡ø ap us historyšŸ‡ŖšŸ‡ŗ ap european history

social science

āœŠšŸæ ap african american studiesšŸ—³ļø ap comparative government🚜 ap human geographyšŸ’¶ ap macroeconomicsšŸ¤‘ ap microeconomics🧠 ap psychologyšŸ‘©šŸ¾ā€āš–ļø ap us government

english & capstone

āœšŸ½ ap english languagešŸ“š ap english literaturešŸ” ap researchšŸ’¬ ap seminar

arts

šŸŽØ ap art & designšŸ–¼ļø ap art historyšŸŽµ ap music theory

science

🧬 ap biology🧪 ap chemistryā™»ļø ap environmental sciencešŸŽ” ap physics 1🧲 ap physics 2šŸ’” ap physics c: e&māš™ļø ap physics c: mechanics

math & computer science

🧮 ap calculus abā™¾ļø ap calculus bcšŸ“ ap precalculusšŸ“Š ap statisticsšŸ’» ap computer science aāŒØļø ap computer science p

world languages

šŸ‡ØšŸ‡³ ap chinesešŸ‡«šŸ‡· ap frenchšŸ‡©šŸ‡Ŗ ap germanšŸ‡®šŸ‡¹ ap italianšŸ‡ÆšŸ‡µ ap japanesešŸ›ļø ap latinšŸ‡ŖšŸ‡ø ap spanish languagešŸ’ƒšŸ½ ap spanish literature

career kickstart

šŸ’¼ ap business with personal financešŸ”’ ap cybersecurity

go beyond AP

high school exams

āœļø PSATšŸŽ“ Digital SATšŸŽ’ ACT

honors classes

šŸ¬ honors algebra IIšŸ«€ honors anatomyšŸ‡ honors biologyšŸ‘©šŸ½ā€šŸ”¬ honors chemistryšŸ’² honors economicsšŸ“ honors geometryāš¾ļø honors physicsšŸ“ honors pre-calculusšŸ“Š honors statisticsšŸ—³ļø honors us governmentšŸ‡ŗšŸ‡ø honors us historyšŸŒŽ honors world history

college classes

šŸ‘©šŸ½ā€šŸŽ¤ artsšŸ‘” businessšŸŽ¤ communicationsšŸ—ļø engineeringšŸ““ humanitiesāž— mathšŸ§‘šŸ½ā€šŸ”¬ sciencešŸ’¶ social science

hs classes

šŸ›ļø alabama historyā›°ļø appalachian studies🌓 california historyšŸŒ earth science🌐 ethnic studies🐊 florida historyšŸ‘ georgia historyšŸŒŽ global studies🌺 hawaiian studiesšŸ“° journalism🪶 native american studies🌵 new mexico history🤠 oklahoma historyāš—ļø physical sciencešŸŽ™ļø speech and debatešŸ¤ texas government🤠 texas history🌲 washington state historyšŸ•Šļø world religions
RefundsTermsPrivacyCCPAAI TransparencySchool Data Privacy

Ā© 2026 Fiveable Inc. All rights reserved.

APĀ® and SATĀ® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.