[填空题]
The bolts on the cylinderqkv7 x1vg62,bm:.svy*n yiy p he5vquwqkll..ss : :ws 1:9 owzqad of an engine require tightening to a torque of 38 u q9::5.slqvzkq :w 1w.l owss$m \cdot N$ 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
