13. Video

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Introducing Moments
Image:moments.JPG A simple experiment with a book is used to introduce the importance of the distance when considering the turning effect of a force.

http://www.youtube.com/watch?v=0QXzOwSfDqc


The Perpendicular Distance
Image:Perpendicular.jpg This clip shows a demonstration of the fact that the perpendicular distance should be used when calculating the moment of a force.

http://www.youtube.com/watch?v=uoAPIoKkGXY