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Statement-1 and 2 are on a situation of a frog jumping vertically up on a rigid floor. Statement-1: Due to work done by normal reaction of floor frog gains kinetic energy. Statement-2: Normal reaction by ground accelerates centre of mass of frogA. Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1.B. Statement-1 is true, statement-2 is true and statement-2 is NOT the correct explanation for statement-1.C. Statement-1 is true, statement-2 is false.D. Statement -1 is false, statement -2 is true. |
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Answer» Correct Answer - D External force always accelerate centre of mass |
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