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Homework Help: Friction incline ratio

  1. Jun 22, 2013 #1
    Hey,

    I need to calculate the angle of an incline,

    But they only give me the ratio of 1:25,

    The only thing i can think of what to do is,

    1 / 25 = 0.04

    then 100% x 0.04 = 4 degrees,

    Im i right in asuming this?
     
  2. jcsd
  3. Jun 22, 2013 #2

    gneill

    User Avatar

    Staff: Mentor

    The ratio 1:25 implies 1 unite rise (or fall) over 25 units of run (horizontal travel). What trig function does the ratio "rise/run" remind you of?
     
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