Question

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

Answer 1

●No,   •••••••••••••••••••••••••••••••••••••••••••• The total energy of the body is conserved as when a body falls down,   its height from the ground decreases and hence its potential energy also decreases. •Its velocity and kinetic energy increases. ●As a result, the decrease in the potential energy of a falling body appears as the gain in the kinetic energy of the body. ●The sum of the potential energy and kinetic energy of stalling body at any instant of time remains same.

Answer 2

Dear Student,

◆ Answer -

No. Above phenomenon doesn't violate law of conservation of energy.

● Explanation -

• Law of conservation of energy states that energy can neither be formed nor be destroyed, it can only be converted from one form to another.
• For a freely falling object, potential energy decreases due to progressive reduction in height.
• But at the same time, due to increase in velocity, kinetic energy increases.
• As total energy is conserved during the fall, it doesn't violate law of conservation of energy.

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