[填空题]
The bolts on the cylinder head of an engine requ;1bt4 znmmo4hu8 n4gy3ft0 x5tz urj3ire tightrq0) p -jy gm2:*uqh6f/isptdening to a torque of 38 pm-qy 6igqusfp)td2 0hr/j*:$m \cdot N$ 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
