Question Detail

PHY 101 Rotational Motion Objective Question

Question

The centripetal acceleration a_c of a point on a rotating object is always directed
Options
A tangent to the circular path.
B away from the center of the circle.
C towards the center of the circle.
Correct Answer
D along the axis of rotation.
Correct Answer

Option C is the correct answer.

Detailed Explanation

Centripetal (meaning 'center-seeking') acceleration is the acceleration required to keep an object moving in a circular path. It is always directed radially inward towards the center of the circle.

Hint

The word 'centripetal' itself describes its direction.

Question Info