Tension in Two Strings With Different Angles

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Discussion Overview

The discussion revolves around a physics lab problem involving two strings with different angles supporting a mass. Participants explore how to resolve the tensions in the strings into their vertical and horizontal components, particularly when one tension is unknown.

Discussion Character

  • Homework-related

Main Points Raised

  • One participant describes a setup with two ring stands and a mass, seeking assistance in resolving tensions in the strings.
  • Another participant suggests that since the mass is in equilibrium, knowing one tension and its direction can help determine the unknown tension.
  • A participant seeks clarification on whether "direction" refers to the angle and how to use this information to find the magnitude of the unknown tension.
  • There is a question about applying the method of two equations with two unknowns to solve the problem.
  • A later reply indicates that the original poster has resolved their issue, suggesting some level of understanding was achieved.

Areas of Agreement / Disagreement

Participants generally agree on the principles of equilibrium and the use of angles to resolve tensions, but the specifics of the calculations and methods remain less clear, particularly for the original poster.

Contextual Notes

Limitations include the lack of specific values for the unknown tension and the angles involved, which are necessary for complete resolution of the problem.

Who May Find This Useful

Students working on problems involving tension in strings, equilibrium, and vector resolution in physics labs may find this discussion relevant.

Cjjw
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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 each other, 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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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.
 
By the direction, do you mean the angle? And if so, how would I use the directions to determine the magnitude?
 
And would I be doing the two equations and two unknowns thing?
 
Ok, I figured it out. Thanks for your help!
 

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