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5 January, 20:03

Based on the law of conservation of energy. how can we reasonably improve a machines ability to do work? A. move the machine to a different gravitational field B. increase the friction between its moving parts C. reduce the friction between its moving parts or D. redefine the machines system boundaries?

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  1. 5 January, 23:23
    0
    The correct answer is

    C. reduce the friction between its moving parts

    In fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.
  2. 5 January, 23:26
    0
    It's D. You'll need to redefine the machines system boundaries.
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Home » Physics » Based on the law of conservation of energy. how can we reasonably improve a machines ability to do work? A. move the machine to a different gravitational field B. increase the friction between its moving parts C.
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