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Process$-$Oriented Problem $08\mathrm{.}002-$ Static and dynamic friction

A $100$ lb force $P$ is pushing a $5$ lb block $W$ against the side of a wall. The coefficients of static and dynamic friction between the block and the wall are ${}_s=0\mathrm{.}35$ and ${}_k=0\mathrm{.}2,$ respectively.

Process$-$Oriented Problem $08\mathrm{.}002.$c $-$ Calculate resultant reaction force

Calculate the magnitude of the reaction force resultant $R.$ Assume $=10.$

The magnitude of the reaction force resultant $R$ is $|$lb$.$