[填空题]
The bolts on the cylin3zm2ha q) rmvxj.rm40der head of an engine require tighw 1 *iua+rudkg +n4fy7tening to a torque of 38 1wir+y4f+kd u7 ug*n a$m \cdot N$ 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
