[填空题]
The bolts on the cylinder head of an kkw.acg4ws .1engine require tightening to a torque tj0btx-a bw fwfm y-864*m/vpv1: p(y*spffe of 38 *vytpv yt8b :j4--*pw1fbfp x m(wesa 0f 6/mf$m \cdot N$ 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
