Two steel wires, AB and BC, support a lamp weighing W= 25 lb (see figure). Wire AB is at an angle a = 35° to the horizontal and wire BC is at an angle = 50°. Both wires have diameters of d = 35 mils. (Wire diameters are often expressed in mils; one mil equals 0.001 in.). Determine the tensile stresses OAB (psi).
Two steel wires, AB and BC, support a lamp weighing W= 25 lb (see figure). Wire AB is at an angle a = 35° to the horizontal and wire BC is at an angle = 50°. Both wires have diameters of d = 35 mils. (Wire diameters are often expressed in mils; one mil equals 0.001 in.). Determine the tensile stresses OAB (psi).
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