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Anit [1.1K]
2 years ago
15

Are forces present even when there is no movement?

Physics
1 answer:
My name is Ann [436]2 years ago
4 0

Answer:

Yes, gravitational force is everywhere. Even if you don't move or move, or wherever you are, there is gravitational force.

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Two students are standing on a fire escape, one twice as high as the other. Simultaneously, each drops a ball.
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The second ball should strike at double the original t value
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True or false 6.02x10^23 atoms of oxygen have a mass of 16g ?
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Answer:

True

Explanation:

The atomic mass of oxygen is 16amu, which means the <em>molar mass</em>, the mass of one mole of oxygen atoms (1 mole = 6.02x10²³), is 16g.

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2 years ago
A 100 kg person rides in an elevator moving at a constant speed of
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Answer:

Explanation:

All this information only applies to the person. There is an extra tension force if we are talking about the elevator, but we are not. Dont forget to apply the units

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The forces ONLY acting on the person would be the force of gravity pulling them down, and the normal force that the elevator is reciprocating from the person standing on it.

Force = mass x acceleration. You have 100 kg and you are accelerating at 0 m/s. The force is 0. Which makes sense because the force of gravity and the net force completely cancel each other out.

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3 years ago
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