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A force F is given by F=at+bt^2 where t...

A force F is given by `F=at+bt^2` where t is time. What are the, dimensions of a and b?

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`[F]=[at]=[bt^2][a]=[[F]]/[[t]]=[[MLT^2]]/[[T]]=[MLT^-3][b]=[[F]]/[[t^2]]=[[MLT^2]]/[[T^2]]=[MLT^-4]`
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