While removing a wheel to change a tire, a driver applies forces P = 25 lb at
Question:
While removing a wheel to change a tire, a driver applies forces P = 25 lb at the ends of two of the arms of a lug wrench (see figure). The wrench is made of steel with shear modulus of elasticity G = 11.4 ( 106 psi. Each arm of the wrench is 9.0 in. long and has a solid circular cross section of diameter d = 0.5 in. (a) Determine the maximum shear stress in the arm that is turning the lug nut (arm A). (b) Determine the angle of twist (in degrees) of this same arm.
Transcribed Image Text:
0 d 0.5 in P#25 lb
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