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!

How does the force get cancel out?

  1. Apr 17, 2013 #1
    1. The problem statement, all variables and given/known data

    How does the force get cancel out?

    2. Relevant equations

    3. The attempt at a solution

    Please see the picture.
    I dont understand why is F1 not included in the system ?
    F1 just looks the same as F4, but F4 is included in the calculation.
    Someone told me the horizontal vector and vertical vector somehow cancel out each other but i dont quite get it..

    Attached Files:

    • OO.png
      File size:
      8.3 KB
  2. jcsd
  3. Apr 17, 2013 #2


    User Avatar
    Homework Helper

    What exactly does the calculation involve?
  4. Apr 17, 2013 #3
    solved the problem!
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted

Similar Discussions: How does the force get cancel out?
  1. How to get the force? (Replies: 4)