[填空题]
The bolts on the cylinder head of an engine:t c nlje(q)qo cmt: 5s,h6k-d require tig/uue)h8i6 sxo htening to a torque of 38 xo )e8ihu6u s/$m \cdot N$ 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
