Circular Motion Flashcards
1
Q
What is the definition of a radian?
A
The angle subtended by a circular arc with a length equal to the radius of the circle.
2
Q
What is the definition of angular velocity?
A
The rate of change of angle
3
Q
What direction does linear velocity act?
A
Tangent to the circular path
4
Q
What is centripetal acceleration?
A
The acceleration of any object ravelling in a circular path at constant speed, always acts to centre of the circle
5
Q
What does centripetal acceleration depend on
A
Speed of the object ,v
Radius of circular path, r
