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Is Archimedes' principle valid in a lift...

Is Archimedes' principle valid in a lift which is
(a) accelerating upwards
(b) accelerating downwards
(c) under free fall

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The correct Answer is:
(a) Yes, (b) Yes, (c) No, as there will no buoyant force
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MODERN PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-Conceptual Questions
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