Q. 6.     The potential energy of a freely falling object decreases progressively. Does this violate the law of conservation of energy? Why?

Answers (1)

No, there is no violation of the law of conservation of energy. At the maximum heigth, the energy is in the form of potential energy. When the object is reaching the ground, its potential energy is decreasing whereas its kinetic energy is increasing (as the velocity of the object is increasing). Thus there is no loss of total energy (energy transformation may take place ). 

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