Which force keeps an object moving in a circular path?

The direction of centripetal force is:

An object moving in a circle at constant speed has:

Which of the following is an example of circular motion?

The SI unit of angular velocity is:

The acceleration of an object in circular motion is called:

Which of these increases if the radius of the circular path decreases but speed remains constant?

A stone tied to a string and whirled in a circle exerts a force on the string. This force is:

The formula for centripetal force is:

What happens to centripetal force if the speed of the object doubles?