The correct sequence of energy transfer that occurs when an apple falls to the ground is
(A)Gravitational potential energy → heat energy to air → kinetic energy → heat energy to ground and apple → sound energy
(B)Gravitational potential energy → sound energy → kinetic energy → heat energy to air → heat energy to ground and apple
(C)Gravitational potential energy → kinetic energy → heat energy to air → heat energy to ground and apple → sound energyCorrect
(D)Gravitational potential energy → kinetic energy → sound energy → heat energy to air → heat energy to ground and apple
Answer: (C)
Solution
As the apple falls, its gravitational potential energy is converted into kinetic energy, and a little is lost as heat to the air because of air resistance. On striking the ground the kinetic energy is
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