[填空题]
The bolts on the cylinder zs6hc -y-z/ms tg)du 5head of an engine require tightening t) e.6nbnz(/o(y4coqv l.iny co a torque of 38bcn..y ye)lco( vq(n6i4/ zno $m \cdot N$ 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
