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Unformatted text preview: = ± 32.3 ° α = − For 32.3 Σ = 0: 2 coP 25 s Fy ° ° + P sin 32.3 − ° − 350 lb = 0 or P = 274 lb 32.3 ° 32.3 ° 71 dc217. 4shared. com/ doc/ AOPLVdUr/ prev iew . html 1/ 11 2/ 6/ 14 / usr/ hosting_files4/ main/ prev iew s/ doc431728704/ prev iew PROBLEM 2.70 A 350­lb load is supported by the rope­and­pulley arrangement shown. β , (b) the magnitude of , Knowing that α = 35 ° determine (a) the angle the force P which should be exerted on the free end of the rope to maintain equilibrium. (Hint: The tension in the rope is the same on each side of a simple pulley. This can be proved by the methods of Chapter 4.)...
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This test prep was uploaded on 02/21/2014 for the course PHYS 1120 taught by Professor Dick during the Spring '10 term at WPI.

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