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12 years ago
A 3.00-m-long ladder, weighing 200 N, rests against a smooth vertical wall with its base on a horizontal rough floor, a distance of  1.00 m away from the wall. If the center of mass of the ladder is  1.20 m from its base, what frictional force must the floor exert on the base of the ladder in order for the ladder to be in static equilibrium?
A) 93.3 N
B) 130 N
C) 28.3 N
D) 102 N
E) 150 N
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12 years ago
E
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