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day09pulleyassumptions - The tension in a string is...

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Pulley Assumptions 1. Pulleys only change the direction of forces. 2. Pulleys are massless and frictionless . 3. Strings are massless and stretchless . Conclusion:
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Unformatted text preview: The tension in a string is constant and forces are not changed by the pulleys or strings. A:\sph4u1\chap2\day09pulleyassumptions.doc...
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