Question: A force of P = 20 lb is applied perpendicular to the handle of the gooseneck wrecking bar as shown. If the coefficient of static

A force of P = 20 lb is applied perpendicular to the handle of the gooseneck wrecking bar as shown. If the coefficient of static friction between the bar and the wood is ?_s = 0.5, determine the normal force of the tines at A on the upper board. Assume the surface at C is smooth.

.P 30 20 in. 1 in. 3 in.3 in.

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