[填空题]
The bolts on the cylinderj gq- tm2v lc/ i;e78snt;lt9q head of an engin 5u.o j1 7,dlzmm:sgav0hi1ny2z f8qoe require tightening to a torque of 38 o1i 1an 2gf hm8d0qs omv.7,jz5z:y lu$m \cdot N$ 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
