3)-A 9-kg block is held by a pulley system shown in fig. What force must the person exert in the following cases: a) to hold the block at rest. b) to lower it at 2m/s. c) to raise it with an acceleration of 0.5 m/s2? Ignore the mass of small pulley.

Answer 1

what figure?

Answer 2

i cant post it but its a man who is pulling a mass and the mass is hanging from a pulley and he is in a higher position not on the floor

Answer 3

Bruh