A ball, solid cylinder, and a hollow pipe all have equal masses and radii. If the three are released simultaneously at the top of an inclined plane, which will reach the bottom first?
A) pipe
B) cylinder
C) ball
D) they all reach bottom in the same time

Question

Quizplus · Accepted Answer

The ball will reach the bottom first because it has the highest moment of inertia among the three, leading to the most efficient conversion of its potential energy into translational and rotational kinetic energy down the incline.

A Ball, Solid Cylinder, and a Hollow Pipe All Have