A coolie holding a suitcase on his head of 20 kg and travels on a plat – InterviewSolution

1.	A coolie holding a suitcase on his head of 20 kg and travels on a platform. then work done in joule by the coolie is(A) 198(B) 98 (C) 49 (D) zero
Answer» Correct option is: (D) zero

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