The coefficient of static friction between Box A with a mass of 220 kg and the inclined surface is 0.10. A rope, tied to the box, passes over a cylinder and the coefficient of static friction between the rope and the fixed cylinder is 0.05. If a woman pulls on the free end of the rope, determine a. the force the woman must exert on the rope to cause the box to start moving up the inclined surface. b. the minimum force the woman must exert on the rope to hold the box in equilibrium on the 20 30 inclined surface.
The coefficient of static friction between Box A with a mass of 220 kg and the inclined surface is 0.10. A rope, tied to the box, passes over a cylinder and the coefficient of static friction between the rope and the fixed cylinder is 0.05. If a woman pulls on the free end of the rope, determine a. the force the woman must exert on the rope to cause the box to start moving up the inclined surface. b. the minimum force the woman must exert on the rope to hold the box in equilibrium on the 20 30 inclined surface.
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Transcribed Image Text:2. The coefficient of static friction between Box A with a mass of 220 kg and the
inclined surface is 0.10. A rope, tied to the box, passes over a cylinder and the
coefficient of static friction between the rope and the fixed cylinder is 0.05. If a
woman pulls on the free end of the rope, determine
a. the force the woman must exert on the rope
to cause the box to start moving up the
inclined surface.
45
b. the minimum force the woman must exert on
the rope to hold the box in equilibrium on the
inclined surface.
20
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