求物理跟英文高手帮忙解决问题~!
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求物理跟英文高手帮忙解决问题~!
一条另我很纳闷的问题.
Consider the following four force vectors:
->F1 = 50.0 newtons, due east
->F2 = 10.0 newtons, due east
->F3 = 40.0 newtons, due west
->F4 = 30.0 newtons, due west
which two vectors add together to give a resultant with the smallest magnitude, and which two vectors add to give a resultant with the largest magnitude? In each case specify the magnitude and direction of the resultant.
我想要过程~各位大侠帮帮忙~
一条另我很纳闷的问题.
Consider the following four force vectors:
->F1 = 50.0 newtons, due east
->F2 = 10.0 newtons, due east
->F3 = 40.0 newtons, due west
->F4 = 30.0 newtons, due west
which two vectors add together to give a resultant with the smallest magnitude, and which two vectors add to give a resultant with the largest magnitude? In each case specify the magnitude and direction of the resultant.
我想要过程~各位大侠帮帮忙~
![求物理跟英文高手帮忙解决问题~!](/uploads/image/z/17783395-43-5.jpg?t=%E6%B1%82%E7%89%A9%E7%90%86%E8%B7%9F%E8%8B%B1%E6%96%87%E9%AB%98%E6%89%8B%E5%B8%AE%E5%BF%99%E8%A7%A3%E5%86%B3%E9%97%AE%E9%A2%98%7E%21)
F1和F3合力最小
F3和F4合力最大
好象是问这个吧
一共就六种情况,我是一个一个试的
F3和F4合力最大
好象是问这个吧
一共就六种情况,我是一个一个试的