[填空题]
The bolts on the cylintp, an g-ft2khx8xo:2der head of an engine require tightening to a torque owknw6:qt 7*f yf 38w:t7qf*n yk w6 $m \cdot N$ 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
