[填空题]
The bolts on the cylinder heal // qih3s87mnyv ae,,jqw5it d of an engine require meof bc:a;0ejb 0h* u n-dx+f)tightening to a torque of 38jf:x)0u eb*enfobdam 0h -c;+ $m \cdot N$ 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
