1.

A fireman 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 fireman slide down (g = 10 m/s2)  [Pb. PMT 2002]

A.             1 m/s2
B.             2.5 m/s2
C.             10 m/s2
D.               5 m/s2
Answer» E.


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