[填空题]
The bolts on the cylinder he)5/h fd )b/jto ozflha ,hnu.(ad of an engine requi hub(r7hm8k 6(zyp1k sre tightening to a torque of 38kb 7u1ph rh8(myzk( s6 $m \cdot N$ 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
