If the coefficient of static friction between a table and a uniform, massive rope is ms, what fraction of the rope can hang over the edge of the table without the rope sliding?
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If the coefficient of static friction between a table and a uniform,
massive rope is ms, what fraction of the rope can hang over the
edge of the table without the rope sliding?
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- A 600 kg air conditioner sits on the flat roof of a building. The coefficient of static friction between the roof and the air conditioner is 0.80. A massless rope attached to the air conditioner passes over a massless, frictionless pulley at the edge of the roof. In an effort to drag the air conditioner to the edge of the roof, four 95 kg students hang from the free end of the rope, but the air conditioner refuses to budge. Part A What is the magnitude of the rope tension at the point where it is attached to the air conditioner? Express your answer with the appropriate units. T = Submit Value Request Answer Units ?A 200 N sign hangs from the middle of a cable between two buildings. The ends of each cable are attached to each building at the same height. The cable cannot exceed 1500 N without breaking. Find the minimum angle that the cable can make from the horizontal.The coefficient of static friction between Teflon and scrambled eggs is about 0.029. What is the smallest angle from the horizontal that will cause the eggs to slide across the bottom of a Teflon-coated skillet?
- A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 2.9 m long. What is the tension in each rope when the 710-N worker stands 1.16 m from one end? smaller tension N larger tension NF 0 EC FAC $ Ed and Al are pushing on a couch as shown in the picture and it doesn't slip. Ed is pushing with a force of 198.9 N at an angle of 0 = 54 degrees with respect to the vertical and Al is pushing with a force of 60.2 N at an angle of = 35.4 degrees with respect to the horizontal. If the couch has a mass of 83 kg and the coefficients of static and kinetic friction between the couch and the floor are μg = 0.53, and k = 0.39, what is the magnitude of the force of friction exerted by the floor on the couch? Click here for a hint FAn 88 kg person stands on a uniform ladder 4.0 m long, that weighs 100 N, as shown in the figure(Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Figure f₁ mg f3 a-3.8 m 1 of 1 Part A Using the dimensions given in the figure, find the forces exerted on the ladder when the person is halfway up the ladder. Express your answers using two significant figures separated by commas. fi, f2, f3 962.4,157.17,157.17 Submit ΓΨΠ ΑΣΦ Part B Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining f1, f2, f3 = w Find the forces exerted on the ladder when the person is three-fourths of the way up the ladder. Express your answers using two significant figures separated by commas. VE ΑΣΦ kN ≈ ? kN