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: Somebody help with this circular motion question

  1. Oct 30, 2011 #1
    A simple pendulum is oscillating with angular displacement of 90 degrees . For what angle with the vertical the acceleration of bob is directed horizontally ?
    Thanks
     
  2. jcsd
  3. Oct 30, 2011 #2

    Doc Al

    User Avatar

    Staff: Mentor

    What have you done so far?

    Hint: Consider the radial and tangential components of the acceleration.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook