draw a square around a place where friction should be low
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Answer:
I marked the place where friction should be low by a square in the same diagram provided by you in the question. Please have a look :
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0
Answer:
gears should have low friction so less energy from the pedalling is wasted as the heat and slowing him down.
Explanation:
Friction is a force that happens when the two surface move across each other.friction force is in the opposite direction to movement. low friction thing happens to the cars when it rains. Because of this there are so many accidents. Even friction of the brakes is there the brakes may be wet, and wheels are not in much contact with the ground.
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