A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii. If the three of them are released simultaneously at the top of an inclined plane and do not slip, which one will
Reach the bottom first?
A) cylinder
B) sphere
C) pipe
D) The pipe and cylinder arrive together before the sphere.
E) They all reach the bottom at the same time.

Question

Quizplus · Accepted Answer

The solid sphere will reach the bottom first because it has the smallest moment of inertia relative to its mass and radius, allowing it to accelerate faster down the incline compared to the solid cylinder and hollow pipe.

A Solid Sphere, Solid Cylinder, and a Hollow Pipe All