Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Mass moments

  1. Apr 1, 2007 #1
    1. The problem statement, all variables and given/known data
    See attached!

    http://img77.imageshack.us/img77/6022/picture28wq0.jpg [Broken]

    2. Relevant equations
    See work...A little long to type here.

    3. The attempt at a solution

    You can see my work - and I can't figure out how to get the answers I wrote. I know the idea of Ic = Ia + Ib and whatnot, and how for these thin plates, you can say that Imass = (rho)(t)(Iarea), but I just cannot get the answer. Help please?

    http://img138.imageshack.us/img138/7645/picture29rl9.jpg [Broken]

    http://img480.imageshack.us/img480/3269/picture30nn0.jpg [Broken]

    Thanks in advance for any direction!
    Last edited by a moderator: May 2, 2017
  2. jcsd
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Can you offer guidance or do you also need help?
Draft saved Draft deleted