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What Is an Advantage & Disadvantage of Movable Pulleys? : Chemistry & Physics

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Movable pulleys have a couple of clear advantages and disadvantages that are more than worth exploring. Find out about an advantage and disadvantage of movable pulleys with help from an experienced research scientist in this free video clip.

Expert: Harold Yorke
Contact: science.jpl.nasa.gov/people/Yorke/
Bio: Dr. Professor Harold W. Yorke is the manager of the Science Division at Jet Propulsion Laboratory (JPL) in Pasadena, California, and is one of the world's leading experts on star formation.
Filmmaker: Colleen Yorke

Series Description: Chemistry and physics are two subjects that never stop being useful, even after you leave the classroom. Get tips on the wonderful worlds of chemistry and physics with help from an experienced research scientist in this free video series.
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how Pulleys work, Pulleys

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