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Homework Help: Physics Problems

  1. Aug 6, 2009 #1
    i have a problem about my physics 21 and i dont know how to approach it..

    Problem says that : a car is driven up a steep hill at a constant speed. discuss all the forces acting on the car. what pushes up the hill..?

  2. jcsd
  3. Aug 7, 2009 #2

    Doc Al

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    Staff: Mentor

    List all the forces that you think must act on the car and the direction that they act. (What must they add up to in order to maintain a constant speed?) Hint: What's in contact with the car?
  4. Aug 7, 2009 #3
    If you're having a hard time visualizing it, think of what your feet do when you're walking.
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