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    When you spin a ball on a string in a centrifugal motion, why is the direction "towards the center" because when you spin it, its just a circle not going in?

    Question #109961. Asked by dj168. (Oct 19 09 11:48 PM)


    looney_tunes

    		The direction of the force that creates the circular motion is towards the center (called centripetal force). If there were no force pulling the ball sideways, it would travel in a straight line. The velocity of the ball is directed along a tangent to the circle, in the direction in which it is traveling at any instant. (If your string breaks, the ball keeps moving in a straight line, and the circle is broken.)

    http://en.wikipedia.org/wiki/Uniform_circular_motion

    http://images.google.com.au/images?q=uniform+circular+motion&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&ei=9mbdSv62NoTysQO37ZjXDw&sa=X&oi=image_result_group&ct=title&resnum=4&ved=0CCEQsAQwAw

    Oct 20 09, 1:31 AM

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