1.

IF NET WORK DONE IS ZERO WHILE LIFTING AN OBJECT TO A HEIGHT H FROM GROUND.THEN FROM WHERE DOES THE OBJECT GAINS P.E AND IF ITS GAINS DUE TO GRAVITY THEN WHERE DOES THE WORK DONE DUE TO APPLIED FORCE GO??​

Answer»

Explanation:The WORK DONE due to GRAVITY is not ZERO as force of gravitation acts in downward direction and lifting with have a displacement UPSIDE. Thus it is negative.



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