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
Posted: Mon Dec 13, 2021 6:28 am
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
(A) 198 (B) 98 (C) 49 (D) zero