[填空题]
The bolts on the cylinder head of:xb0d;ful i 8ud nb;hg 8gfj:2)+ xg-if 1nnfhkq b+w0d.sz,o 3 o+afban engine require tightening to a torque of 38sf,qaob +b+.d 0wo3 kz $m \cdot N$ If a wrench is 28 cm long, what force perpendicular to the wrench must the mechanic exert at its end? N 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 (Fig. 8–41). N
Post time 2025-2-18 20:00:22
