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Simple Machine — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSSimple Machine1 Mark
MCQ
The useful work done by a machine is known as the
  • A
    input energy
  • ✓
    output energy
  • C
    efficiency
  • D
    effort
✓

Answer

Correct option: B.
output energy
output energy

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