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Math Help - dimensional analysis

  1. #1
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    dimensional analysis

    How would I find the dimension of: F = 1 - sin(t/a) where F= force, t = time and a is the constant we're trying to find the dimensions for?
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  2. #2
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    Re: dimensional analysis

    The unit of the content of a Sin is always radians. So:

    Sin (radians) = unitless.
    t/a = radians
    a = sec/radian
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