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The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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Determine whether the variable is qualitative or quantitative. favorite sport. is the variable quali...
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