A rock is sliding down a hill. As the rock is sliding down the hill, the...

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A rock is sliding down a hill. As the rock is sliding down the hill, the...

A rock is sliding down a hill. As the rock is sliding down the hill, the ____________ is doing work and coverts ___________ to _____________

friction; gravitational potential energy; kinetic energy.

weight; chemical energy; gravitational potential energy.

normal force; chemical energy; gravitational potential energy.

weight; gravitational potential energy; kinetic energy.

friction; kinetic energy; gravitational potential energy

science physics

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Answer 1

Answer #1

As the rock is sliding down the hill, it is the weight which is doing work. It is not mentioned that friction is there or not, so we will assume friction to be 0. Work done by normal is 0 as there is no displacement along normal.

As it is coming down, the GPE is being converted to KE.

Thus, the answer is:

weight; gravitational potential energy; kinetic energy

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Answer 2

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