As a block slides down a 40° frictionless incline, its acceleration
A) decreases with distance.
B) remains constant.
C) is greatest at the bottom of the incline.
D) is greatest at the top of the incline.

Question

Quizplus · Accepted Answer

The acceleration is constant because the only force acting on the block is gravity, which pulls the block down the incline with a constant force. The angle of the incline does not affect the acceleration. Therefore, the acceleration remains constant throughout the motion of the block.

As a Block Slides Down a 40° Frictionless Incline, Its