A smooth block rests on the surface of a horizontal plane. As one end of the plane is slowly raised, the block starts sliding down. The speed of the block
A) decreases with time.
B) remains unchanged.
C) increases with time.
D) is unknown; insufficient information is given to answer this question.

Question

Quizplus · Accepted Answer

The speed of the block increases with time due to the constant acceleration caused by gravity as the incline of the plane increases.

A Smooth Block Rests on the Surface of a Horizontal