[填空题]
The bolts on the cylinder head of an engine requi1wthwirwp z: - 4(6hoe lqs+8mre v obukw0bt,,zn38uod3y y.6stightening to a torque of 38 uvos3,d8btn ,3ku6wob0 z yy.$m \cdot N$ 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
