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Homework Help: A silly question that im really stuck on after 4 hours of staring at it

  1. Sep 21, 2009 #1
    So i have the following question(s) in my homework assignment (This question is in regards to a car that is pushing a truck that has broken down in the middle of the road and i have to describe the motion/force):
    Wouldn't the answer be that the car is pushing with less force than the truck is pushing back ? or would they both be equal? Because apparently the car isnt pushing with a less force than the truck and I got it wrong (my teacher wont explain to me what the right answer is and why).

    At first I thought it might be less than, but thats not the answer.

    Help please ?
  2. jcsd
  3. Sep 21, 2009 #2
    could it have something to do with work?

    or the truck has a larger mass so despite how much force is exerted and there is energy is spent but there is no work seen....
  4. Sep 21, 2009 #3
    that was for ur first quote.

    as for the second half...no idea
  5. Sep 21, 2009 #4
    it has something to do with the force of the car and truck. and yes the truck has a heavier mass
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