[填空题]
The bolts on the cylinder heakz4j4,1x6q6 el;jgf+w iqrtrd of an e k:d-r 8k.rrb: wv2jqcngine require tightening to a torque of 38 qkw2rj c.rrv8:-k:bd $m \cdot N$ 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
