[填空题]
The bolts on the cylinder head of an engine require tikm1irv uhgy.y-v j k5e48bg4f7u8 op6ghtening to a torque 2p p+d8mdp 1tlof 381pt+dpl2m8p d $m \cdot N$ 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
