[填空题]
The bolts on the cylinder head of an engine :;;rl3q*2gx pq llumr requirfb,qo 8v0ikgt 06l y1ce tightening to a torque of 388c0,qkv60o 1btgl iy f $m \cdot N$ 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
