The output work/input work x 100% is the
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The output work/input work x 100% is the
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Webb14 dec. 2011 · By multiplying the result by 100, you should then get the efficiency expressed as a percentage, which is the normal way of describe how efficient a machine or process is. efficiency = (Work out/Work in) x 100 Sometimes you are given the efficiency in a problem, but then have to calculate either the work out or work in, so then its just a … Webbi.e., η= Output Work (L x LD) / Input Work (E x ED) x 100% or, η = MA / VR x 100%weight Ideal Machine The Ideal Machine is not affected by friction. An ideal machine is one that has 100% efficiency. The input work is always equal to the output work in this type of machine. In practice, no machine is frictionless, so this is not a practical machine.
WebbCalculate the efficiency of a bicycle if the input work to the turn the pedals is 100 J and the output work is 40 J. Efficiency = Output Work/Input Work x 100 % force distance … Webb15 jan. 2008 · Some of the energy transferred by the work may be "lost" to thermal energy. Any energy removed from the system means less output work from the machine. Consequently, the machine is less efficient at accomplishing the task. The efficiency of a machine is defined as the ratio of output work to input work. efficiency = …
WebbThe efficiency output of a machine is simply the output work divided by the input work, and is usually multiplied by 100 so that it is expressed as a percent. % efficiency = Wo Wi × 100 Look back at the pictures of the simple machines and think about which would have the highest efficiency. Webb6 nov. 2024 · The formula for efficiency is: Efficiency = (Useful output / input work) * 100% The useful output given in the question is 140J, the question asked for input work. Let X …
Webb14 dec. 2011 · efficiency formula is (Wout/Win)*100%. Wout is the work done by the machine is called the output work. Win is the work done by you on a machine is called …
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