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 to determine whether a system is closed or not?

  1. Nov 25, 2013 #1

    I know the definition of an open/closed system but I am still confused:

    1) Why isn't C a closed system?

    2) I know that a simple system's state is defined by just 2 properties (when the system is in equilibrium) but how do we eliminate the wrong answers and determine the correct answer in this question?

    3) The independent variable = the thing you change (as far as I know) but that doesn't lead me any closer to the correct answer..

  2. jcsd
  3. Nov 25, 2013 #2
    C isn't a closed system because exhaust gases are entering and leaving the car exhaust (piping).
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 to determine whether a system is closed or not?