[填空题]
The bolts on the cylinder h(-du(ir1uj+hj;t jz vzo7 )ii3 o wyk;ead of y,;z, unt7kebov/9 j ahm0vs2an engine require tightening to a torque of 38aky n,jtu/ov27vse09 ;,b hzm $m \cdot N$ 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
