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A block of mass m is kept on the floor of a freely falling lift. During the free fall of the lift, the block is pulled horizontally with a force of F = 5 N. $μ_{S} = 0.1.$ The frictional force on the block will be

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10N

Zero

answer is C.

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Detailed Solution

When free fall of lift normal reaction on block by lift floor will be zero. Hence no friction

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