circular motion Flashcards
1
Q
angular velocity
A
the rate of change of angle per unit time
2
Q
centripetal force
A
if a body is moving in a circle, the force towards the centre needed to keep it moving is centripetal force
3
Q
centripetal acceleration
A
the acceleration a body has towards the centre of a circular path it is moving on
4
Q
period of an orbit
A
the time taken for a satellite to go once around the central body