Will the friction increase or decrease if we
increase the weight of the object in motion
on a surface and why?
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Explanation:
When a body is moving over a horizontal surface, it presses down against the surface with a force equal to its weight, i.e., to the pull of gravity upon it; an increase in the weight of the body causes an increase in the amount of resistance offered to the relative motion of all the surfaces in contact.
Hence friction will increase .
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