[填空题]
The bolts on the cylindut9 0q;wq(ux3 mbjf;ner pe9w wol,+3alz f703gcimfeys -q 72ghead of an engine require tightening to a torque of 38gm +3ee qfc-73pwis 2y l,09al7fwzgo $m \cdot N$ 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
