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Finding the resultant and eq. for 3 vector on one point

by needhelp1
Tags: point, resultant, vector
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needhelp1
#1
Nov16-09, 11:01 PM
P: 2
1. The problem statement, all variables and given/known data
I need help with this hw problem.
1st vector: 80 N & 180 degree
2nd vector: 40 N & 145 degree
3rd vector: 50 N & -50 degree

And I need to find the resultant and the Eq. Where do I start and how do I do it please include answer as I'm confuse and I have a quiz on this soon. thanks


2. Relevant equations



3. The attempt at a solution
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rl.bhat
#2
Nov16-09, 11:18 PM
HW Helper
P: 4,438
Hi needhelp 1, welcome to PF.
Do you know how to find the components of a vector along x and y axis?
If you know find the components and find ΣFx and ΣFy. Then find the resultant.
needhelp1
#3
Nov16-09, 11:22 PM
P: 2
Thx for the quick reply! Can you guild me through? I don't understand this chapter. I was sick during the week due to a bad flu.

rl.bhat
#4
Nov16-09, 11:28 PM
HW Helper
P: 4,438
Finding the resultant and eq. for 3 vector on one point

If A is a vector which makes an angle θ with the x axis, what is Ax and Ay?


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