[填空题]
The bolts on the cylinder head of anja(/o vnhj0 1v:hmy5 u engine require tightening to a tocrum g/fp7n2ieu2bd; n b) 26prque of 38 d2 m7gpnib e2r6 /p);2nfuubc$m \cdot N$ 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
