A block of mass 20 kg lying on a rough horizontal plane is connected by a light

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Question

A block of mass 20 kg lying on a rough horizontal plane is connected by a light string passing over a smooth pulley to another mass 5 kg, which can move freely in the Vertical direction, as shown in the below figure. The tension in the string will ___________ with the increase in coefficient of friction.

Options:

A . Increase

B . None of these

C . Not be effected

D . Decrease

Answer: Option A

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