[填空题]
The bolts on the cylinder head of an engine require tighten- ul cl0h.t:gting tuj;lz1 5 it61+faee7x ,cq+5jb evcg fo a torque of 38c l,b g+v5ij;6f17 1acutxze f5+e jqe $m \cdot N$ 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
