3. The uniform 12-kg ladder rests on the rough floor (W = 4 m) for which the coefficient of static friction is μS = 0.55

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answerhappygod
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3. The uniform 12-kg ladder rests on the rough floor (W = 4 m) for which the coefficient of static friction is μS = 0.55

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3. The uniform 12-kg ladder rests on the rough floor (W = 4 m)
for which the coefficient of static friction is μS = 0.55 and
against the smooth wall at B ( H = 4 m). Determine the horizontal
force P the man must exert on the ladder ( L = 3 m) in order to
cause it to move.
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