Q.

A fire man of mass 60 kg slides down a pole. He is pressing the pole with a force of 600 N. The coefficient of friction between the hands and the pole is 0.5. With what acceleration will the fire man slide down? (Takeg=10ms2  )

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a

25  ms2

b

10  ms2

c

1  ms2

d

5ms2

answer is B.

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A fire man of mass 60 kg slides down a pole. He is pressing the pole with a force of 600 N. The coefficient of friction between the hands and the pole is 0.5. With what acceleration will the fire man slide down? (Takeg=10 ms−2  )