[填空题]
The bolts on the cylinder head of an en27h7 pqbxqn1tqtj (k3 gine require tighteninkyf * e6tkf2ks/d8 q0tg to a torque of 38y k6 k*fsq2 te/kf0d8t $m \cdot N$ 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
