16 - circular motion Flashcards
1
Q
Define Angular displacement
A
angular displacement = arc length/ radius
2
Q
Define radian
A
the angle subtended at the centre of a circle by an arc length equal to the radius of the circle
3
Q
Define angular speed
A
angular speed = angular displacement / time taken
4
Q
Equation of Angular speed
A
w = 2pi/T
5
Q
Define velocity
A
velocity = angular speed x radius