[填空题]
The bolts on the cylinder head of an enginee8ux/ *utf w2b rct--9bnhzz1gfz8c +9w u if 6kequire tightening to a torque of 381bh-zi +uz68c tnc z-99wfkgf $m \cdot N$ 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
