[填空题]
The bolts on the cylinder head of an engine require tightening tdi1cdcv osj5x69 (y x.f6- elvo a torq/ p+zkk(aqq+v5utjr9 +;hvzh 8j1gwgue of 38h k8+zw5;pj/k qj9zv agr u+q(th1g+ v $m \cdot N$ 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
