[填空题]
The bolts on the cylinder head ofq 3 b9h8zq(weje3n+og an engine require te-9i6j nl,dsht 2 v)vjightening to a torque of 38)6j9t2liej d, -s nvvh $m \cdot N$ 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
