Q. 104.4( 8 Votes )

When an apple falls from a tree what happens to its gravitational potential energy just as it reaches the ground? After it strikes the ground?

Answer :

When apple falls it gains some speed due to action of gravitational force on it. It gains kinetic energy and loses it gravitational potential energy.

When it strike the ground the kinetic energy lost in various forms such as in breaking the apple some energy losses in heat energy and sound energy.

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