Circular Motion

Question 1

What is the definition of radians?

Answer 1

The arc-length divided by the radius of the circle.

Question 2

How do you convert from degrees to radians?

Answer 2

pi/180 * angle in degrees

Question 3

What is angular velocity?

Answer 3

The angle an object rotates through per second.

Question 4

What is frequency?

Answer 4

Number of complete revolutions per second.

Question 5

What is the period?

Answer 5

Time taken for a complete revolution.

Question 6

What is centripetal force?

Answer 6

Resultant force which acts perpendicular to the direction of motion