Angular speed
- The angular speed (⍵) of a body in circular motion is defined as:
The rate of change in angular displacement with respect to time
- Angular speed is a scalar quantity, and is measured in rad s-1
- Any object travelling in a uniform circular motion at the same speed travels with a constantly changing velocity
- This is because it is constantly changing direction, and is therefore accelerating
Angular speed
When an object is in uniform circular motion, velocity constantly changes direction, but the speed stays the same