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: Explain to me the concept of equilibrium

  1. Oct 8, 2006 #1
    Can someone please explain to me the concept of equilibrium because i am having trouble understanding it.

  2. jcsd
  3. Oct 8, 2006 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    In statics, when an object or particle is in equilibrium, there is no net (resultant) force or torque acting on it. There may be a bunch of individual forces acting, but the sum of all of them is 0. When this happens, the object is at rest, or moving at constant velocity, per Newton's First law.
  4. Oct 9, 2006 #3


    User Avatar
    Homework Helper

    The forces acting on the object cancel each other out. That is like a tug of war - quite large forces might be in effect, but since they are the same in both (or all) directions the knot does not move at all.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook