Rotational Kinematics Road Map of Chapter 8 Master Analogy chart Rotational Kinematics –Definition of radian, relation to degrees –Angular displacement –Angular velocity –Angular acceleration –Constant angular acceleration –Examples

Comet landing – 2014 Nov 12

Translation vs. Rotation

Translation vs. Rotation (cont)

Angular Displacement

Converting to Radians

Example 8.1

Angular velocity

Angular acceleration

Angular acceleration – remember

Translation vs. Rotation

Example 8-4 – Merry go Round

Example 8-4 (cont)

Example 8-4 (still more)

Frequency and Period

Example 8.5 – Hard Drive

Example Centrifuge

Example 8-6 alternative

Rolling Motion Wheel edge velocity matches relative velocity of room backwards Relative velocity of room backwards matches velocity of wheel CM forwards Demonstrate

Example - Bicycle

Bicycle – alternative