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ANyone know how to draw a parallelogram/triangle to resolve force?

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mutineer123
#1
Apr29-12, 10:45 PM
P: 93
1. The problem statement, all variables and given/known data

http://www.xtremepapers.com/papers/C...2_s04_qp_2.pdf

question 1b



2. Relevant equations



3. The attempt at a solution
I drew a triangle using a scale of 1cm=1N. I drew (at least I think I did) a decent sketch with the help of the protractor and ruler. For the resultant length i Just connected the two ends of the 8N and 6N lengths(which gave me a triangle). I measured the resultant which gave me 5.1cm, which with my scale is 5.1N. But my answers way off. Am i doing it right?
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ehild
#2
Apr29-12, 11:57 PM
HW Helper
Thanks
P: 10,344
See: http://www.vitutor.com/geometry/vec/adding_vectors.html

ehild
mutineer123
#3
Apr30-12, 04:26 AM
P: 93
I think my one was similar. Can you just sketch it out once, and tell me what you get? I think the mark scheme may be wrong.

ehild
#4
Apr30-12, 08:39 AM
HW Helper
Thanks
P: 10,344
ANyone know how to draw a parallelogram/triangle to resolve force?

You connected the wrong points. Make a parallelogram of the vectors, and show your drawing.

ehild
mutineer123
#5
May1-12, 12:37 AM
P: 93
Quote Quote by ehild View Post
You connected the wrong points. Make a parallelogram of the vectors, and show your drawing.

ehild
Kk i used a parallelogram this time, and got 13N thanks.
ehild
#6
May1-12, 12:46 AM
HW Helper
Thanks
P: 10,344
Splendid! It was the difference of the vectors what you got before.


ehild


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