it is easy to roll the body over one another than to slide it
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When one body rolls over the surface of another body, the resistance to its motion is called rolling friction. ... It is always easier to roll than to slide a body over another. That is the reason it is convenient to pull luggage fitted with rollers.
miteshbothra201:
that is the question whyyyy
oh ok i will edit
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Subtraction is an arithmetic operation that represents the operation of removing objects from a collection. ... Subtraction is signified by the minus sign (−). For example, in the adjacent
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