A ladder of length `l` carrying a man of mass `m` at its end is attached to the basket of a balloon of 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.
The work done by the man is

A ladder of length l carrying a man of mass m at its end is attached to the basket of a balloon of 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. The potential energy of the man

A ladder of length l carrying a man of mass m at its end is attached to the basket of a balloon of 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. The potential energy of the man

A ladder of length l carrying a man of mass m at its end is attached to the basket of a balloon of 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. The potential energy of the balloon

A man of mass m is suspended in air by holding the rope of a ballon of mass M . As the man climbs up the rope, the ballon

A man of mass m is suspended in air by holding the rope of a ballon of mass M . As the man climbs up the rope, the ballon

A man of mass m is suspended in air by holding the rope of a ballon of mass M . As the man climbs up the rope, the ballon