[填空题]
The bolts on the cylindec;j10 eep8 qwdr head of an engine requajlzg3; s.0x lpuzpbt+5o; /ft.2x fgire tightening to a torque of 38 xfs.lauozg2 +px5. j3tg; ;f0t/b lzp $m \cdot N$ 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
