[填空题]
The bolts on the cylin7ef 3/er(s mv0vo ujg;/cqo9 xder head oducd/a4.gg 27cgh i4i( ,vbor va.qu-f an engine require tightening to a torque of 38hibvgg q.u(.darvui /o74 c,agcd42 - $m \cdot N$ 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
