[填空题]
The bolts on the cylinder head of any*rjx *:p5)q/l o dknx engine0em 1ffn1hh.p k8hfi8k*fiv; require tightening to a torque of 38 f8hkf f h18i0.;*k 1emfpnvhi $m \cdot N$ 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
