A man attempts to lift the uniform ladder of weight W to an upright position by applying
Question:
A man attempts to lift the uniform ladder of weight W to an upright position by applying a force P perpendicular to the ladder at rung R. Determine the coefficient of static friction between the ladder and the ground at A if the ladder begins to slip on the ground when his hands reach height c.
Given:
a = 2 ft
b = 14 ft
c = 6 ft
W = 40 lb
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