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Work and energy problem

  1. Nov 23, 2004 #1
    Last edited by a moderator: Apr 21, 2017
  2. jcsd
  3. Nov 24, 2004 #2
    ...think...when the car is at rest...what forces are acting on it? What forces are acting on the ball? Is the ball in equilibrium?

    ...when the car is accelerated up the incline...how does this acceleration affect the ball (remember, princaple of equivalence?)
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