Question on: SS1 Physics - Work, Energy, And Power

A ball is released from the top of a hill and rolls down to the bottom. Which of the following statements is true regarding the conservation of mechanical energy?

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A

The total mechanical energy of the ball decreases as it rolls down the hill

 

B

The total mechanical energy of the ball remains constant as it rolls down the hill

 

C

The total mechanical energy of the ball increases as it rolls down the hill.

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Correct Option: B

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