Do all pulleys change the

  1. The system of three pulleys is in equilibrium, the pulleys have masses of 9kg ,5kg,8kg respectively.The pulleys are frictionless
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    2. Samar asked by Samar
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  2. Which set of pulleys makes it easiest to lift a weight?A. The one with the longest rope. B. The one with the fewest pulleys. C.
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  3. A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 50N through a height of 20mIf the total
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    2. Aishat asked by Aishat
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  4. Which statements are true?A. All simple machines are basically the same kind of machine. B. Pulleys are simple machines. C. One
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  5. A pulley system is operating at only 50% efficiency. How could the efficiency be increased? (1 point)Responses by reducing the
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  6. A pulley system is operating at only 50% efficiency. How could the efficiency be increased? (1 point)Responses by reducing the
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  7. A pulley system is operating at only 50% efficiency. How could the efficiency be increased? (1 point)Responses by reducing the
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  8. you need to find the length of a broken automitive belt. the belt ran around 2 pulleys whose centers were 11 in apart. one of
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  9. Use the diagram of the pulley system to complete the statement.An illustration shows a system of two pulleys lifting a block. In
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  10. Use the diagram of the pulley system to complete the statement.An illustration shows a system of two pulleys lifting a block. In
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