[填空题]
The bolts on the cylinder head of an engine require tightening to a torqu czz+0vo vdlu(u 078m cygt5h. 6 v9bdnckqd112z :tx3s+5tshjhpe. me of 38 m2k6sp31th:tz jqbdnds19v hc5+ xe. $m \cdot N$ 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
