ch06-p002 - 2 To maintain the stones motion a horizontal...

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2. To maintain the stone’s motion, a horizontal force (in the + x direction) is needed that cancels the retarding effect due to kinetic friction. Applying Newton’s second to the x and y axes, we obtain 0 k N Ff m a Fm g −= respectively. The second equation yields the normal force F N = mg , so that (using Eq. 6-2)
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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