A hoop,solid sphere,and solid cylinder each have the same mass and same radius.When rolling down the same incline,which has the greatest torque from gravity on it?
A)the hoop
B)the sphere
C)the cylinder
D)They all have the same torque.

Question

Quizplus · Accepted Answer

The torque from gravity on an object rolling down an incline depends on the force of gravity and the radius of the object, not on the distribution of mass within the object. Since all three objects have the same mass and radius, they will experience the same torque from gravity.

A Hoop,solid Sphere,and Solid Cylinder Each Have the Same Mass