[填空题]
The bolts on the cylinder z q1yjf:r5i3vly1yx 2head of an engine require tightening to a to,6mz;xo d.hfk rque of 38hx,f.6m kdo ;z $m \cdot N$ 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
