[填空题]
The bolts on the cylinder head of an engine r hnw;.xv2*x qgequire tightening to a torque of 32,ye8 dkj+cn+cc-0p wf -xs g.7w eyhu8 ke8x.wehuc+yy2+j dgpn- -cfsc0 w7 ,$m \cdot N$ 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
