1. ## [SOLVED] Vector problem

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The problem is A+B+C
and when i connect them the reactant doesn't fit

The other problem is A-B-C with the same vectors

http://tinypic.com/view.php?pic=qx5e6s&s=4

this is how i solved A-B-C i dont even know were to put the resultant on this one

Am i doing something wrong or is this like a trick problem?

I think also i might be over thinking this beacuse all the arrows are slightly tilted.

2. Hello,
Originally Posted by john doe
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The problem is A+B+C
and when i connect them the reactant doesn't fit
The tail of the resultant vector is the tail of the first vector of the sum : $\displaystyle \vec{a}$. It's head is the head of the last vector of the sum : $\displaystyle \vec{c}$. Using this :

The other problem is A-B-C with the same vectors

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this is how i solved A-B-C i dont even know were to put the resultant on this one
What you've done is correct. To find the resultant vector $\displaystyle \vec{a}-\vec{b}-\vec{c}=\vec{a}+(-\vec{b})+(-\vec{c})$ you only have to connect the tail of the first vector of the sum with the head of the last one.

3. so it would look like this?

4. Originally Posted by john doe
so it would look like this?
That's it !