1. Not finding help here? Sign up for a free 30min 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!

Normal Force Equilibrium

  1. Jan 3, 2017 #1
    upload_2017-1-3_16-38-15.png

    1. The problem statement, all variables and given/known data

    This isn't really a problem but an example in an online lecture. I'm trying to understand everything for when I get to harder questions but am having trouble understanding the "d/b" part of the equation.

    2. Relevant equations
    How does dividing d by b help solve for the normal forces acting at A and B? I apologize if my question is not phrased well enough.

    3. The attempt at a solution
     
  2. jcsd
  3. Jan 3, 2017 #2

    BvU

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    Hi Wes,

    It's all about balance equations: The thing doesn't move (or keel over, which is also a form of motion), so
    1. the forces balance
    2. the moments balance
    If you write down these two balance equations you have two equations for two unknowns (normal force at A and at B).

    Do us a favor and write down these two equations and we'll take it from there (if still necessary :smile:)
     
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: Normal Force Equilibrium
  1. Force in Equilibrium (Replies: 5)

  2. Equilibrium problem (Replies: 3)

Loading...