Question

three solids are made up of Aluminium Steel and wood of same shape and volume which one of them would have higher inertia why?

Answer 1

wood is the answer
becoz it has more weight

Answer 2

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Any solid object with same shape and volume will differ in its inertia by its mass. So amongst all the three given solid balls with same shape and volume, the mass will be maximum for steel ball hence it would have highest value of moment of inertia.

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Formula for moment of inertia (I) = mr2

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