在四连杆组织的abcd的搭钮b和c上辨别效率有力f1和f2?

OKEx币

1:把f1领会成两个分力f1c,目标辨别沿c指向b、沿c指向d;

2:把f2领会成两个力f1c,目标辨别沿b指向c、沿b指向a;

3:对连杆组织举行总的受力领会,可知贯穿组织除受力f1、f2的效率,在a、d点还遭到牵制力的效率,在a、d点遭到牵制力的巨细辨别为f2沿ba的分力、f1沿cd的分力,目标凑巧差异,以是f1*cos30=f2/cos45f1c。纯手打,望接收,感谢啦!

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