[填空题]
The bolts on the cylinderp9c fn8 v sm24y4jak0x2p18s4w,)ovsyu ih dr head of an engine require tightening yo h /49fxft39s6 kvblto a torque of 38 x y9slf obh4/vk6f93 t$m \cdot N$ 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
