Question

A block is placed on a platform which is kept on the ground. After a while, the platform starts moving. If the velocity of the block with respect to ground is the same as that of the platform with respect to the ground, then which of the following statement(s) is/are correct?

(i) Kinetic friction acts between the ground and the platform.
(ii) Kinetic friction acts between the ground and the block.
(iii) Kinetic friction acts between the platform and the block

Answer 1

Answer:

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