Polygon Of Forces To Demonstrate Equilibrium

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Homework Help Overview

The discussion revolves around demonstrating the equilibrium of a 200 kg crate on a 25° incline using the polygon of forces method. Participants are exploring how to represent forces graphically in this context.

Discussion Character

  • Exploratory, Assumption checking, Problem interpretation

Approaches and Questions Raised

  • Participants discuss the necessity of drawing a force polygon, questioning how to accurately represent the weight vector and other forces involved. There is uncertainty about the correct approach to plotting these forces based on the given information.

Discussion Status

The conversation is ongoing, with participants seeking clarification on how to properly construct the force polygon. Some guidance has been offered regarding the direction and magnitude of the weight vector, but multiple interpretations of the problem are still being explored.

Contextual Notes

Participants are working with limited information and are trying to understand the requirements for demonstrating equilibrium through graphical representation. There is a focus on ensuring that the drawn forces accurately reflect the physical scenario described.

sperrya
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Homework Statement


Use the polygon of forces to demonstrate that a 200 kg crate on a 25o incline is in equilibrium on the slope.


Homework Equations


See attached


The Attempt at a Solution


Please see attached for my attempt, I think I am in the right ball park, just need to know what seat to be in, i.e. how do I plot the answer to satisfy the question. Please help...

Thanks
 

Attachments

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You must draw the force polygon so that the forces show the correct magnitude and direction. For instance, how must the weight vector of the box be drawn?
 
Hi there, thanks for your reply, I know I need to draw a force triangle of some sort, but unsure how to do it with the information I have. Even then, is this a correct polygon of force??

Thanks
 
What direction is the weight force usually drawn?
 

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