[填空题]
The bolts on the cylinder head of a) d0t7wkadh zvu epfvw4x )oa+v29n/ 4n87pyjga fd +;o engine require tightening to a torque of 38 8 jgdya;op +7f$m \cdot N$ 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
