[填空题]
The bolts on the cylinzs ri dt6bl:1uv t6x:-der hetc y,cf(/( wtt/ljn*y7ecq5 zad of an engine require tightening to a torque of 38 cnw7((tjycye/c 5,tz* qtfl/ $m \cdot N$ 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
