Question

Ramu is trying to move a heavy stone across the ground. his father gave him cylindrical rods to help him move it. give reason​

Answer 1

Answer:

Rolling friction is lesser than kinetic friction.

Explanation:

As stones are heavy they are opposed by large kinetic friction which makes it very hard to move them. When cylindrical rods are kept under the stone and are made to move the rolling friction which is less than the kinetic friction enables to put less force in moving the stones place on the rods.

Answer 2

Explanation:

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