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Video Demo: Forces and Motion

According to Newton's first law of motion, an object moving at constant velocity will continue to move at constant velocity unless an outside unbalanced force is applied.  This is why moving objects on Earth will always slow down and stop.  The outside unbalanced force that does it is friction.  Watch the video to see how friction affects the motion of a marble on a track.


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    Students should be motivated and confident in learning process. They should avail all learning opportunities from where they get chance to gain knowledge. They should show their full interest in acquiring knowledge.
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Pretty good article. I just came across your site and wanted to say that I have really enjoyed reading your blog posts. Any way I’ll be coming back and I hope you post again soon.thanks for sharing.

Replica Audemars Piguet

July 19, 2011 | Unregistered Commenterabbyabbie

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