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!

Newton's Laws

  1. Oct 11, 2009 #1
    Alright so I just wrote an AP physics test and one of the true or false questions was:

    A horse pulls a cart and the cart pulls back on the horse with the same force. Does the cart move? (the cart starts at rest)

    I said false because in order for an object to move it needs a net force but if the two opposing forces cancel out and the net force is zero then the object wont move.

    Is my though process right? or am I missing something here?
  2. jcsd
  3. Oct 11, 2009 #2
  4. Oct 11, 2009 #3


    User Avatar
    Science Advisor

    If the the two opposing forces both pull on the same object they cancel out and the object wont move. But here the two opposing forces pull on two different objects.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook