timestamps

• 0:00

  Introduction to Newton's Third Law

• 0:31

  Better Definition of Third Law

• 1:03

  Child Pulling Wagon Example

• 2:04

  Grasshopper and Bus Collision

• 3:07

  Poll Results and Explanation

• 3:39

  Bus and Bug Accelerations

• 5:13

  Bus Acceleration Calculation

• 5:46

  Bug Acceleration and G-Force

• 7:18

  Bug vs Bus Outcome

• 7:49

  Rifle Recoil Example

• 8:20

  Poll on Rifle Acceleration

• 9:22

  F=ma for Rifle and Bullet

• 11:28

  Cannon vs BB Gun Comparison

• 11:59

  Ken Pulling Rope Scenarios

• 13:33

  Elephant vs Wall Forces

• 14:03

  Action-Reaction Pairs Identification

• 16:11

  Friction on Man's Feet

• 18:15

  Roots and Tree Forces

• 18:46

  Horse Pulling Wagon Example

• 20:51

  Horse Pushing on Ground

• 22:24

  Wagon Friction Forces

• 23:59

  Movement Explanation

• 25:01

  Grocery Cart Free Body Diagrams

• 28:36

  Friction on Earth

• 29:08

  Third Law Pairs in Cart Scenario

• 30:40

  Child Pulling Wagon Up Hill

• 31:43

  Wagon Free Body Diagram

• 33:47

  Force Components on Incline

• 35:51

  Sum Forces Perpendicular

• 37:56

  Force of Tension Calculation

• 40:36

  Unbalanced Forces and Movement

• 42:09

  Tug of War Contest Analysis

• 43:45

  Maximum Force in Tug of War

• 45:22

  Feet Pushing and Friction

• 46:56

  System Sum of Forces

• 48:58

  Acceleration Calculation

• 50:00

  Conclusion on Third Law