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August 1, 2014

Homework Help: physics

Posted by sarah on Monday, March 2, 2009 at 6:06pm.

Your friend is confused about ideas discussed in chapter 4 that seem to contradict ideas discussed in this chapter. For example, in Chapter 4 we learned that the net force is zero for a car traveling along a level road at constant velocity, and in this chapter we learned that work is done in such a case. Your friend asks, "How can work be done when the net force equals zero?" What is your explanation?

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