Answer to Question #307667 in Mechanics | Relativity for Kev

Question

A hollow cylinder and a solid cylinder have the same mass and the same diameter. They are released at the same time from rest from the top of an incline. Which will reach the bottom first?

Answer 1

Solution

According to rotation motion

Acceleration down the inclined plane ∝ $\frac{1}{K^2R^2}$ . Solid cylinder has greater acceleration, so it reaches the bottom first.