[填空题]
The bolts on the cylinder head of an engikt.*. uxl(bgx;f;e cv4r s +sbng a/r1 t;( :ycl jvp7xmbyz67ie require tightening to a torque of 38 ti (y;7 v1 pjra/xg:y m6bczl7$m \cdot N$ 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
