Lecture 21: Torque
Objectives: In this lecture, students will learn to- identify torque as the cause for angular acceleration
- construct the cross product of two vectors
- calculate torque created by a force
- analyze rolling without slipping using rotational dynamics
- apply rotational and linear dynamics to problems involving coupled rotation and translation
- Powerpoint: lec21.pptx
- Pdf (recommended for printing): lec21.pdf
Demo: turning a bolt | Video_2.mp4 | with captions |
Cross product | Video_3.mp4 | with captions |
Definition of torque | Video_4.mp4 | with captions |
Torque and angular acceleration | Video_5.mp4 | with captions |
Example 1: Rotating rigid object | Video_6.mp4 | with captions |
Example 2: Rolling without slipping | Video_7.mp4 | with captions |
Example 3: Coupled objects | Video_8.mp4 | with captions |
Additional example problem:
Example 4 | Video.mp4 |