[填空题]
The bolts on the cylinde/3froo( z8yixr head of an engine requi4odr w;d1 sbser 2s 11rw1: ueb-7giqore tightening to a torque of 38rs1 q-ub12o igbsr d;14 7rwo1ews:de $m \cdot N$ 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
