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chrisplusian

  • one year ago

Simple statics (or Physics) question..... I summing forces in the x, and y, directions and finding that forces directed in the positive y, and negative x directions (quadrant II), have positive y values, but all the solutions (chegg and the back of my textbook are showing the forces in the y-direction as negative when they are in quadrant two. Can you please look at the attached problem I did and tell me what concept I have wrong?

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  1. chrisplusian
    • one year ago
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  2. ParthKohli
    • one year ago
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    I think your answer is correct.

  3. chrisplusian
    • one year ago
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    I have done about fifteen of these and chegg and my textbook have the same answers and always differ from mine by that one element, I am about to attach a screen shot of cheggs explanation of this problem and their answer matches the answer in my text

  4. chrisplusian
    • one year ago
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  5. imqwerty
    • one year ago
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    yea u are right looks like these ppl have messed up wid signs :)

  6. chrisplusian
    • one year ago
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    It really makes me wonder because every one they are doing that has the force in the second quadrant they count the y-component as negative

  7. mathmate
    • one year ago
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    When having doubts of this kind, it is best to post an image of the original question, together with the given figure, if any.

  8. chrisplusian
    • one year ago
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  9. chrisplusian
    • one year ago
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    @mathmate

  10. imqwerty
    • one year ago
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    they are correct do u see the direction in which F3 is going :)

  11. chrisplusian
    • one year ago
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    Good call, no I didnt see it till you pointed it out. @imqwerty

  12. chrisplusian
    • one year ago
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    wow that was easy lol thanks alot guys

  13. imqwerty
    • one year ago
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    lol :)

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