[填空题]
The bolts on the cylinder head of aa:xjmun9vz.a5 :a uh8 n engine require tightening to a torw2v gm4cje34er; ry+dque of 38y+g2r m;v 34 eejr4wdc $m \cdot N$ 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
