1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Acceleration of centre of mass problem

  1. Oct 12, 2013 #1
    Hi friends,
    I have an issue in solving a Acceleration of center of mass problem.
    Please Help me in solving this.
    Thank you all in advance.

    The problem is as:




    Friends according to me the answer should be Option (b) but question says the answer is option (a).Please try to help me in this.
    I will appreciate the help.
  2. jcsd
  3. Oct 12, 2013 #2
    When you will convert your answer to vector form, the answer would match option (a). Because the vectors include the direction, so minus sign will not be shown. Assuming positive direction to be downwards, then ##\vec{R}=-R##
  4. Oct 15, 2013 #3
    Thanks NihalSh, I got that.
    Thank for the help.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted