KcetLaws Of MotionKCET 2018MCQ+1 / -02018A man weighing 60 kg is in a lift moving down with an acceleration of $1.8 \mathrm{~ms}^{-2}$. The force exerted by the floor on him isA588 NB480 NCzeroD696 NCheck AnswerClear SelectionReveal AnswerShow Explanation