Circular Motion Flashcards
1
Q
What is the definition of radians?
A
The arc-length divided by the radius of the circle.
2
Q
How do you convert from degrees to radians?
A
pi/180 * angle in degrees
3
Q
What is angular velocity?
A
The angle an object rotates through per second.
4
Q
What is frequency?
A
Number of complete revolutions per second.
5
Q
What is the period?
A
Time taken for a complete revolution.
6
Q
What is centripetal force?
A
Resultant force which acts perpendicular to the direction of motion
