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B
Part A
2m
A 17-kg ladder has a center of mass at G. If the coefficients of friction at A and B are uA = 0.3 and uB = 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.
1m
O F= 120.2 N
1m
O F= 166.8 N
F= 288 N
50°
O F= 204 N
A
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