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Homework Help: Interesting Equilibrium Question

  1. Apr 21, 2015 #1
    1. The problem statement, all variables and given/known data

    Assume the wooden ruler is balanced and that it has uniform density. If the wood is replaced by metal, increasing the mass and density of the ruler without changing its dimensions (and remaining uniform), the ruler will...

    (Assume the length of the ruler is 1 meter.)

    Looks like this:

    -------Om--|------------------ <===ruler , Om <== shows the hanged mass 'm', | <== shows where the ruler is balanced.

    a.tip toward m

    b.be unbalanced, but the direction depends on the hanging mass, the mass of the ruler, and distances

    c.still be balanced

    d.tip away from m

    2. Relevant equations
    Mass x distance (from center of mass)

    Clockwise = negative sign
    Counter Clockwise = positive sign

    3. The attempt at a solution

    I am thinking it would MOVE AWAY from Mass M? What do you think? Please explain. Thanks.
  2. jcsd
  3. Apr 21, 2015 #2
    Maybe you can explain why you think this first.
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