[填空题]
The bolts on the cylinder head o zm,03ja. b:be(wgwfi f an engineryty 5; t9pqas(ibw./ require tightening to a torque of 38ypiy;rsqtaw /b .5 (9t $m \cdot N$ 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
