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What does an efficiency of a machine represent?
  • a)
    The relationship between load and effort
  • b)
    The mechanical advantage of the machine
  • c)
    The ratio of work input to work output
  • d)
    The ratio of useful work output to work input
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What does an efficiency of a machine represent?a) The relationship bet...
Efficiency is defined as the ratio of useful work output to work input, often expressed as a percentage. It indicates how effectively a machine converts input energy into useful work, with 100% efficiency being ideal, though rarely achieved in practice due to energy losses.
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What does an efficiency of a machine represent?a) The relationship between load and effortb) The mechanical advantage of the machinec) The ratio of work input to work outputd) The ratio of useful work output to work inputCorrect answer is option 'D'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about What does an efficiency of a machine represent?a) The relationship between load and effortb) The mechanical advantage of the machinec) The ratio of work input to work outputd) The ratio of useful work output to work inputCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What does an efficiency of a machine represent?a) The relationship between load and effortb) The mechanical advantage of the machinec) The ratio of work input to work outputd) The ratio of useful work output to work inputCorrect answer is option 'D'. Can you explain this answer?.
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