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who is good at explaing Vectors?

Question

anonymous · Answer

@jim_thompson5910  @Hero

jim_thompson5910 · Answer

what's your question?

anonymous · Answer

the magnitude and true bearing of 3 forces acting on an object are given. find the magnitude and direction of the resultant.

anonymous · Answer

50lb at 30 degree, 80ld at 125 degree, and 100lb at 220 degree

anonymous · Answer

@jim_thompson5910  sorry i had internet problems

jim_thompson5910 · Answer

hmm i know how to work with 2 vectors, but haven't had much practice with 3

jim_thompson5910 · Answer

maybe it's a case where you work on them in pairs

jim_thompson5910 · Answer

for instance, say you had these 3 vectors

|dw:1364884197565:dw|

anonymous · Answer

i know the answer but yeah u start with drawing 3 vectors

jim_thompson5910 · Answer

you would find the resultant of the first two to get this

|dw:1364884228916:dw|

jim_thompson5910 · Answer

then you find the resultant of these two vectors here

|dw:1364884253389:dw|

to get this

|dw:1364884283705:dw|

jim_thompson5910 · Answer

that's just a guess though, not sure how to handle 3 vectors

anonymous · Answer

|dw:1364884233201:dw|