physics
posted by Syd .
determine the acceleration of a 25 kg crate being dragged across a floor by a 150 N force at a 42 degree angle above the floor where the kinetic coefficient of friction is .52.

ma = F•cosα – F(fr) =
= F•cosα – k•N =
= F•cosα – k•mg.
a = F•cosα/m  k•g.
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