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Unit - 4.1 Simple Machine And Their Importance — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSUnit - 4.1 Simple Machine And Their Importance1 Mark
Question
Define:-Input energy
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Answer

Input energy is defined as the work done on a machine. If we apply force on one end of a lever and the load is lifted from another end, the work done by us is input energy.

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