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Can a body be said to be at rest as well...

Can a body be said to be at rest as well as n motion at the same time .Explain .

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Yes . A Body at rest with respect to one frame reference may be in motion with respect to another frame of reference.
eg A Person sitting in a moving bus is at rest with respect to other passengers in the bus but he is in motion w.r.t to a tree on the roadside.
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