gc textbook chapter 8 Rotational Motion (id: 57e711318)

admin

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
The bolts on the cylinder hea 7f.+uwm*e1jjg wmm,qd of an engine req2uvhrqyu7 b iyd.l;* u(tgli/yp v//9uire tightening to a torque of 38 (d;7y /pul l i.v/b/2iu rtgqyu9yh *v$m \cdot N$ 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

参考答案:
空格1: 310±2%  空格2: 2000±2% 


本题详细解析:

微信扫一扫，阅读更方便