[填空题]
The bolts on the cylinder head 8mt0scpzf) 3,i v3r aiof an engine require uo.f xc 5l(:*lf8wjolnw-u.c tightening to a torque of 38 xu:.jc5llo lof.wcf*w8 n-(u$m \cdot N$ 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
