[填空题]
The bolts on the cylinder head of an engine 4 b .b ygy217itenk0oami c/6m8pjqgz8 z qfs)lk 7(1 6ogv.7nphv6 dbrequire tightening to a torque of 386bzj(pvh 8)q1k n dpvl7s7ogzf8.6qg $m \cdot N$ 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
