[填空题]
The bolts on the cylinder h3ph28wd1v4rnf 0 ;5ap o ahxereaxny;rty y fx:y(j nzr0c2ieh(9 1 2(z)+ejxbid of an engine require tightening to a torque of 38 jy;nxt y(bzy0 x rx29 fen(e2:)r +yji zi(ch1$m \cdot N$ 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
