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    Josh2345's Avatar
    Josh2345 Posts: 22, Reputation: 1
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    #1

    Nov 8, 2011, 08:06 AM
    transposing formulas?
    Hello,
    I can not seem to transpose this question,
    F = mg ma (m)
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    Josh2345 Posts: 22, Reputation: 1
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    #2

    Nov 8, 2011, 08:12 AM
    Sorry I forgot to put in a + sign between the mg and ma
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    ebaines Posts: 12,131, Reputation: 1307
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    #3

    Nov 8, 2011, 09:55 AM
    Is this what you mean:

    F = mg + ma

    You want to solve for 'a" - is that right? Start by subtrtacting mg from both sides:

    F - mg = ma

    Then divide my m:

    (F-mg)/m = a
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    Josh2345 Posts: 22, Reputation: 1
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    #4

    Nov 8, 2011, 02:00 PM
    Sorry ebaines, I want to find m
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    ebaines Posts: 12,131, Reputation: 1307
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    #5

    Nov 8, 2011, 02:07 PM
    F = mg + ma = m(g+a), so:

    F/(g+a) = m
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    Josh2345 Posts: 22, Reputation: 1
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    #6

    Nov 8, 2011, 02:17 PM
    Thanks
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