Unit - 4.1 Simple Machine And Their Importance — PHYSICS STD 6 — Question
ICSE BoardEnglish MediumSTD 6PHYSICSUnit - 4.1 Simple Machine And Their Importance2 Marks
Question
What do you understand by the term efficiency of machine ?
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Answer
The efficiency of a machine indicates how well its input energy is converted to useful output energy or work. It is a major factor in the usefulness of a machine and is the fraction or percentage of the output divided by the input.
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