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son4ous [18]
3 years ago
10

Which of the objects have only potential energy?

Physics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

A raised weight.

Water that is behind a dam.

A car that is parked at the top of a hill.

A yoyo before it is released.

River water at the top of a waterfall.

A book on a table before it falls.

A child at the top of a slide.

Ripe fruit before it falls.

Explanation:

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The net force is 21 N, and the bag will go to the right.

Explanation:

You can find the net force by adding both values of the boy and the girl, and then subtracting four from it. You can also figure out which direction its moving by looking at which side is exerting the most force, which would be the right side.

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Energy

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One ways of stating the law of conservation of energy is that "you cannot get more energy from a machine than the amount of energy you put into it".

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The energy in a system does not increase based on the premise of this law.

  • The efficiency of a machine can reduce but the energy is always conserved.
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Oil can be used to reduce friction.
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If you're asking if this is true or false, the answer is true.

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