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Francesco Paucek

Feb 20, 2025

The bolts on the cylinder head of an engine require tightening to a torque of 86 m·N. If a wrench is L = 30 cm?

The bolts on the cylinder head of an engine require tightening to a torque of 86 m·N. If a wrench is L = 30 cm long, 1.) what force perpendicular to the wrench must the mechanic exert at its end? (N)2.) If the six-sided bolt head is 15 mm in diameter, estimate the force applied near each of the six points by a socket wrench (N)
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2 Answers

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Torque = force * armGet consistent units86 nm = F 0.30 mF = 286.67 N 1/6 of 86 = 14.33 N*mT = F*L14.33 = F * 0.015 mF = 955.33 N (At least I think that is what the question asks)... Show More
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for the second half, make sure to use 0.0075m, (the radius), instead of the diameter (0.015m).... Show More
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