Question

A solid cylinder and a hollow cylinder is rolled down without sleeping in an inclined plane which will come first

Answer 1

Answer:

The solid cylinder will come first.

Explanation:

For a given mass, a hollow cylinder has more material away from the axis than a solid cylinder, so its moment of inertia is higher. This means that more of the potential energy is being turned into spinning the cylinder, so less is left over for the translational KE. It rolls more slowly down the slope.

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