Week 9 - Angular Motion Flashcards
1
Q
What is angular displacement
A
Change in angular position
2
Q
What is a radian
A
1 radian is when the angle when the radius = arc length
3
Q
How many radians are in a circle
A
2 pi radians
4
Q
How do we work out revolutions and radians
A
Convert degrees into revolutions
Convert degrees into radians
5
Q
Equation for angular velocity
A
Angular velocity = Angular displacement / time
6
Q
Equation for angular acceleration
A
Change in angular velocity / time
7
Q
What is circular motion
A
A special case of angular motions wheee centre of mass rotates at a constant distance from a fixed axis
