[填空题]
The bolts on the cylindd 6j9o zgnhdcco(w8.0er head of an engine requir8c 5tuqu3bd a+k g9lp/e tightening to a torque of 38u8kldp5g3/qb9 ca+tu $m \cdot N$ 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
