A Block That Slides on a Rough Surface Slows Down

question 3

Multiple Choice

A block that slides on a rough surface slows down and eventually stops.The reverse process never occurs.That is,a block at rest never begins to move and accelerate on a rough surface without the action of an external agent.The second situation is forbidden because it would violate

• A)conservation of total energy.
• B)conservation of momentum.
• C)the first law of thermodynamics.
• D)the second law of thermodynamics.
• E)both the first and second laws of thermodynamics.

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