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  3. AP Physics C: Mechanics CRAM – Rotation & Angular Momentum

ap physics c: mechanics cram – rotation & angular momentum

originally streamed on April 9, 2021 with Sam ReichTeacher
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Learn rotational motion, torque, angular momentum, and inertia for AP Physics C: Mechanics. This cram session walks through calculus-based problems, FRQs, and key formulas to help you prepare for the AP exam. We'll break down torque with cross produ ...more

covered in this stream

units
Unit 5 – Torque and Rotational MotionUnit 6 – Rotating Systems: Energy & Momentum
topics
5.2 Connecting Linear and Rotational Motion5.3 Torque5.4 Rotational Inertia5.5 Rotational Equilibrium and Newton's First Law in Rotational Form5.6 Newton's Second Law in Rotational Form6.1 Rotational Kinetic Energy6.3 Angular Momentum and Angular Impulse6.4 Conservation of Angular Momentum6.5 Kinetic Energy of a System with Translational and Rotational Motion

timestamps

  • 0:00

    Welcome and Introduction

  • 0:34

    Stream Overview and Reminders

  • 1:05

    Rotational Statics and Dynamics

  • 2:08

    Recording and Social Media

  • 3:12

    Torque and Rotational Inertia

  • 3:43

    Torque Explanation

  • 4:47

    Lever Arm and Force

  • 5:51

    Cross Product for Torque

  • 7:26

    Magnitude of Torque

  • 9:03

    Right Hand Rule

  • 11:41

    Clockwise vs Counterclockwise Torque

  • 13:18

    Meter Stick Torque Example

  • 15:26

    Solving Meter Stick Problem

  • 18:04

    Wheel System Torque Example

  • 20:08

    Solving Wheel Torque Problem

  • 22:13

    Rotational Inertia Basics

  • 24:49

    Linear Mass Density

  • 25:53

    Triangular Rod Inertia FRQ

  • 30:32

    Hoop and Rods System

  • 32:08

    Parallel Axis Theorem

  • 34:12

    Rod Inertia Example

  • 37:00

    Rotational Equilibrium

  • 38:36

    Wheel Axle Equilibrium Problem

  • 40:39

    Newton's Law for Rotation

  • 41:44

    Disc and Rope FRQ

  • 46:54

    Rolling Without Slipping

  • 49:34

    Bowling Ball FRQ

  • 52:44

    Angular Momentum Calculation

  • 55:56

    Torque and Angular Momentum

  • 56:26

    Angular Speed FRQ

  • 57:31

    Conservation of Angular Momentum

  • 59:04

    Star Collapse Example

  • 1:01:14

    Rotation Takeaways

  • 1:02:49

    Upcoming Events and Goodbye

  • 1:03:22

    Stream Conclusion

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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® 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

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

career kickstart

💼 ap business with personal finance🔒 ap cybersecurity

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

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