[填空题]
The bolts on the cylinder head of an engine require tightening to a *h)n(:sibiz1ox/ e0 m)uw0.oolmai d torssn (lm ynvc624eu(z49zz,cm que of 38 u ( 4z6sn,zz(yc9ve42s cmlmn$m \cdot N$ 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
