Moments. Finding angle and force

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Discussion Overview

The discussion revolves around a homework problem involving the determination of a force vector and its angle with the x-axis, given a resultant force of 500 N from two concurrent forces. The focus is on the mathematical reasoning and calculations involved in solving the problem.

Discussion Character

  • Homework-related, Mathematical reasoning

Main Points Raised

  • One participant presents a problem statement asking for the determination of force P and its angle with the x-axis, given a resultant force of 500 N.
  • Another participant challenges the initial calculations, pointing out that the x-component of the proposed solution exceeds the magnitude of the original force and emphasizes the need to incorporate the resultant force of 500 N into the equations.
  • A third participant reiterates the previous challenge regarding the x-component and suggests using an equation that relates force P and the 200 N vector to the 500 N resultant.
  • A later reply claims to have found the answer, indicating a resolution on their part but without providing details on the solution.

Areas of Agreement / Disagreement

Participants express disagreement regarding the initial calculations, with some providing corrections and suggestions. The discussion remains unresolved as no consensus is reached on the correctness of the solution presented.

Contextual Notes

Limitations include the lack of clarity on the assumptions made in the calculations and the absence of a detailed breakdown of the mathematical steps leading to the claimed solution.

SagarPatil
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Homework Statement



Two Forces are acting concurrently and their resultant is 500 N as shown in figure on the right. Determine P and the angle P makes with the x-axis?

upload_2015-1-29_20-6-3.png

2. The attempt at a solution

upload_2015-1-29_21-34-40.png


Is my answer correct?[/B]
 
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I'm afraid it isn't. For one, you're x-component is larger in magnitude that the original force. And you haven't made use of the resultant of 500 N.
Use an equation such that the resultant of 'P' and the 200N vector is the 500N vector.
 
siddharth23 said:
I'm afraid it isn't. For one, you're x-component is larger in magnitude that the original force. And you haven't made use of the resultant of 500 N.
Use an equation such that the resultant of 'P' and the 200N vector is the 500N vector.

I think this is what you mean.

upload_2015-1-31_21-38-41.png
 
I got the answer. :D
 

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