[填空题]
The bolts on the cylinder head of an engine re- was,)o2 le ,;jmbupmquire tightening to a torque of 3 dz-tt3 azs/4w8 3dst4a w-/zt z$m \cdot N$ 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
