The coefficient of the static friction between the 100-lb box and the inclined surface is 0.10. The coefficient of the static friction between the rope and the fixed cylinder is 0.05. Determine the force the woman must exert on the rope to cause the box to start moving up the inclined surface. What is the minimum force the woman must exert on the rope to hold the box in equilibrium on the inclined surface?

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The coefficient of the static friction between the 100-lb box and the inclined surface is 0.10. The coefficient of the static friction between the rope and the fixed cylinder is 0.05. Determine the force the woman must exert on the rope to cause the box to start moving up the inclined surface. What is the minimum force the woman must exert on the rope to hold the box in equilibrium on the inclined surface?

45°
A
20°
30°
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Transcribed Image Text:45° A 20° 30° Page 2 of
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