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the 50 lb block rests on the rough surface for which the coefficient of kin etic friction is uk=0.2

Expert Solution

Step 1 Given information

Mass of block is, $m = 50 lb$

Coefficient of kinetic friction, $μ_{k} = 0.2$

It is known that, the frictional force is,

$f = μ_{k} N$

Normal component of force is,

$N = W \cdot \cos θ$

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