[填空题]
The bolts on the cylinder head (xy lrh-y)a x9fep;ujj yjd 9tz1z/+4of an engine require tightenin w1u niu6-- f9qfay*elg to a torque of 38w9i- u qnafe*-ly61f u $m \cdot N$ 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
