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: A uniform rod (slide down)

  1. Jul 14, 2008 #1
    Hi, somebody can helps me with this problem...

    A uniform rod of length L supported on a wall starts to slide down without
    friction. Show that the upper end of the rod loses contact with the wall when it is
    found two thirds of its original height.

  2. jcsd
  3. Jul 14, 2008 #2
    You have to find the andle which the rod makes withthe ground and prove its sine to be 2/3
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook