[填空题]
The bolts on the cylinder head of an enko1kjb8 ),sr q wx*mk8gine require tightening 7fn upei 4izty44kh/9 to a torque of 38 tk/y9 zf n74ehip44u i$m \cdot N$ 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
