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Work, Power And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork, Power And Energy1 Mark
MCQ
A boy holds a mass on his stretched hand. Then
  • A
    Work done against gravity is zero.
  • B
    Muscular energy is used.
  • ✓
    Both $(a)$ and $(b).$
  • D
    Neither $(a)$ nor $(b).$
✓

Answer

Correct option: C.
Both $(a)$ and $(b).$
Both $(a)$ and $(b).$

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