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  3. AP Physics 1 - Q&A: Equilibrium, Tension & Torque

ap physics 1 - q&a: equilibrium, tension & torque

originally streamed in 2019 with Casey LiStudent
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Learn how to solve equilibrium problems in AP Physics 1 by working through real student questions. This Q&A covers force diagrams, tension, torque, and problem-solving strategies for Unit 2. We'll walk through multiple equilibrium scenarios includin ...more

covered in this stream

units
Unit 2 – Force and Translational DynamicsUnit 5 – Torque and Rotational Dynamics
topics
2.2 Forces and Free-Body Diagrams2.4 Newton's First Law2.5 Newton's Second Law5.3 Torque5.5 Rotational Equilibrium and Newton's First Law in Rotational Form

timestamps

  • 0:00

    Q&A Session

  • 1:01

    Car on Incline Problem

  • 3:06

    Forces in Equilibrium

  • 5:10

    Trig Shortcut Explanation

  • 8:14

    Calculating Weight and Normal

  • 9:50

    Tightrope Walker Tension

  • 11:54

    Forces in X and Y

  • 13:58

    Solving for Tension

  • 15:35

    Traffic Light Cables

  • 17:37

    Summation of Forces

  • 19:47

    Ratio of Tensions

  • 22:27

    Calculating T1 and T2

  • 24:06

    Seesaw Torque Introduction

  • 26:49

    Pivot Point Moments

  • 29:26

    Solving Distance

  • 31:04

    Different Friend Seesaw

  • 33:41

    Massless Bar Forces

  • 36:20

    Equilibrium Check

  • 39:27

    Opposite Direction Forces

  • 43:40

    Three Friends Seesaw

  • 46:15

    Torque Calculation

  • 48:48

    Session Wrap Up

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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.