A rope ladder with a length l carrying a man with a mass m at its end is attached to the…
Physics · JEE Advanced · NTA Exams — Work, Energy and Power
A rope ladder with a length l carrying a man with a mass m at its end is attached to the basket of balloon with a mass M. The entire system is in equilibrium in the air. As the man climbs up the ladder into the balloon, the balloon descends by a height h. Then the potential energy of the man
- increases by mg (l – h)
- increases by mgl
- increase by mgh
- increases by mg (2l – h)
Answer
(A) increases by mg ( l – h)
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