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VashaNatasha [74]
3 years ago
8

PHYSICS!

Physics
1 answer:
Allushta [10]3 years ago
6 0

Answer:

Friction is useful in some cases like walking and cycling ..

but it is unwanted in machines as it create unwanted sounds and heat .,due to which we loss energy

Explanation:

mark me as brainliest ❤️

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Two object, one of mass m and the other of mass 2m, are dropped from the top of a building. if there is no air resistance, when
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They hit the ground at the same time

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A crane operater drops the cargo by turning off the electric current to the
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