[填空题]
The bolts on the cylinder head of an engi w7c skv k/epy)h;st,1ne require tigafk4.e o/s+cw-x f/ad htening to a torque of 38 a/4x /f afso-k .we+cd$m \cdot N$ 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
