[填空题]
The bolts on the cylinder head of c70 4 (kkjlljpan engine require tightening to a torquen7t5+i)wvr .u /l tsolyel/c i0 s6ku- of 38ky. / 5vl6rt/ 7ulel)wu+cs ns i-iot0 $m \cdot N$ 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
