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!

Basic Physics Question

  1. Sep 13, 2006 #1
    I don't understand this:

    A slow car moves at a steady 10 km/hr down a straight highway while another car zooms past at a steady 120 km/hr. Which car is has the greater net force on it?

    The answer is neither, because the net force on each car is zero.

    Why is it zero???
  2. jcsd
  3. Sep 13, 2006 #2
    Look at the definition of force.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Basic Physics Question