A painter of mass M stands on a platfrom of mass m and pulls himself up by two ropes which hang over
Channel: Doubtnut
Date: 2020-07-26

A painter of mass M stands on a platfrom of mass m and pulls himself up by two ropes which hang over pulley as shown in fig. He pulls each rope with force F and moves upward with a uniform acceleration a. find a, neglecting the fact that no one could do this for long time.