Tension and Pulley

# Tension and Pulley - physically tenable When analyzing a...

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Tension and Pulleys The Tension in a Rope and Pulley System This diagram represents a small block on the left in the act of being lifted by a larger block on the right. Notice the forces T and -T: even when used in addition to a pulley, the rope must still experience two equal and opposite tension forces. From the figure it may seem that the rope actually experiences two forces in the same direction, making the situation impossible. The presence of the pulley, however, changes the situation to make it

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Unformatted text preview: physically tenable. When analyzing a rope and pulley situation it is useful to define a direction not in terms of up or down, but in terms of the shape of the rope. In the situation above, we can define the positive direction on the rope as pointing upward on the left side of the pulley, and pointing downward on the right side. When we define direction in this way the rope does actually experience two equal and opposite forces....
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Tension and Pulley - physically tenable When analyzing a...

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