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Machines — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMachines1 Mark
MCQ
Assertion $(A):$ A machine can have a mechanical advantage greater then its velocity ratio.
Reason $(A):$ A machine always has efficiency less than $100\%.$
  • A
    Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
  • ✓
    Assertion is false but reason is true.
  • D
    Assertion is true but reason is false.
✓

Answer

Correct option: C.
Assertion is false but reason is true.

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