A machinist is using a wrench to loosen a nut. The wrench is L = 29.5 cm long, a

Question

A machinist is using a wrench to loosen a nut. The wrench is L = 29.5 cm long, and he exerts a F = 14.0-N force at the end of the handle at ? = 40.0 with the handle (see figure below).

(a) What torque does the machinist exert about the center of the nut?

(b) What is the maximum torque (magnitude) he could exert with this force?
3_____________ N m

magnitude_______________ 1 N m A machinist is using a wrench to loosen a nut. The wrench is L = 29.5 cm long, and he exerts a F = 14.0-N force at the end of the handle at ? = 40.0½ with the handle (see figure below). (a) What torque does the machinist exert about the center of the nut? magnitude_______________ 1 N ½ m (b) What is the maximum torque (magnitude) he could exert with this force? 3_____________ N ½ m

Explanation / Answer

1) torque = Fsin(x) * L = 14*sin(40) *.295 =2.6547N-m

2) max torque = F*L = 14*.295 = 4.13N-m

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