A person is climbing a palm tree :
Q. A person is climbing a palm tree :
(i) What is its work done against the force of gravity?
(ii) What is its work done due to the force applied by the person if the person climbs 10 m and the mass of the person is 45 kg?
Ans. (i) Work done against the force of gravity = the amount of potential energy possessed by the man at height h.
(ii) Work done due to the force applied by the person if the person climbs 10 m and the mass of the person is 45 kg = mgh = 45 × 10 × 10 = 4500 J
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