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V PLUS U
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24 Oct 02:42 PM
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A 17-kg ladder has a center of mass at G. If the coefficients of friction at A and B are A = 0.3 and B = 0.2, respectively, determine the smallest horizontal force that the man must exert of the ladder at point C in order to push the ladder forward.
A
F = 120.2 N
B
F = 288 N
C
F = 166.8 N
D
F = 204 N
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IIT/Engineering
K-12-Non-Medical
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