How can you lower a 100-kg body from the roof of a house using a cord with a breaking strength of 80 kgf (kilogram force) without breaking the rope ?

How can you lower a 100 kg body from the roof of a house using a cord with a breaking strength of 80 kg weight without breaking the rope? (1 kg weight = gN)

How can you lower a 100 kg body from the roof of a house using a cord with a breaking strength of 80 kg weight without breaking the rope? (1 kg weight = gN)

The acceleration with which an object of mass 100 kg be lowered from a roof using a cord with a breaking strength of 60 kg weight without breaking the rope is- (assume g = 10 m/sec2)

How can you prepare alcohol from acetaldehyde without using reducing agent ?

A body of mass 50 kg and specific gravity force is to be lifted using a rope of breaking strength of 60 kg wt. The acceleration with which it can be pulled up in least interval of time