Question
12-15. A torque wrench is used to tighten the nut on a bolt. If the dial indicates that a torque of 60 lb - ft is applied when the bolt is fully tightened, determine the force P acting at the handle and the distance s the needle moves along the scale. Assume only the portion AB of the wrench distorts. The cross section is square having dimensions of 0.5 in. by 0.5 in. Take E = 29(103) ksi. Problem 12-15 A 12 in. 0.5 in. S 0.5 in. B 18 in. P
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