求物理跟英文高手帮忙解决问题~!一条另我很纳闷的问题.Considerthefollowingfourforcevectors:->F1=50.0newtons,dueeast->F2=10.0newtons,dueeast->F3=40.0newtons,duewest->F4=30.0newtons,d

Question

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~

Answer 1

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