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Tension in Two Strings With Different Angles

by Cjjw
Tags: force tension
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Cjjw
#1
Nov26-12, 08:17 PM
P: 6
Hi, I have been stuck on this question for a while, and I need help figuring it out.
For a lab, we had two ring stands set up about 1m apart from eachother, with the rings at different heights, and we tied a string between them. We then placed a 200g mass on the string. We had a LabPro with a force sensor attatched to one of the strings to read the tension, but we don't have the tension for the other string. We're supposed to resolve each tension into vertical and horizontal components, but I'm not sure how to do that when we don't have the tension in the one string.
Can anyone help me out with that?
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SteamKing
#2
Nov26-12, 08:59 PM
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You know that the mass is in equilibrium. Knowing one tension and its direction, and the direction of the other tension, you should be able to determine the magnitude of the unknown tension which keeps the 200g mass in equilibrium.
Cjjw
#3
Nov26-12, 09:02 PM
P: 6
By the direction, do you mean the angle? And if so, how would I use the directions to determine the magnitude?

Cjjw
#4
Nov26-12, 09:33 PM
P: 6
Tension in Two Strings With Different Angles

And would I be doing the two equations and two unknowns thing?
Cjjw
#5
Nov26-12, 09:41 PM
P: 6
Ok, I figured it out. Thanks for your help!


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