Asked by Jen

A block is pulled to the right across a alevel surface at a constant velocity of a horizontal force of 16 newtons. what is the coefficient of kinetic friction between the block and the surface?
Answered by Elena
F = 16 N
F(fr) =k•N =k•m•g .
F =F(fr)
k =F/m•g.
You have to know the mass (or weight)
Answered by Jen
The weight of the block is 84Newtons
Answered by Elena
k =F/m•g = 16/84 =0.2
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