[填空题]
The bolts on the cylinder head of an engine requirev*ttq i0py0k ) tightening to a torque of 9 t ;.x6+omaqmd3z5kdhfahe4 38 oam .hte9z4k dm+ad3 ;q6f5xh$m \cdot N$ 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
