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CDS 2025 · PYQ · Physics / Fluid Mechanics · easy

A body floats in a liquid if the buoyant force is :

  1. A.equal to its weight.✓ Correct
  2. B.less than its weight.
  3. C.greater than its weight.
  4. D.zero.

Explanation

According to Archimedes' principle, a body floats in a liquid when the buoyant force (upthrust) exerted by the liquid is equal to the weight of the body. In this state of equilibrium, the net force on the body is zero, so it neither sinks nor rises. If the buoyant force were less than the weight, the body would sink; if it were greater, the body would rise out of the liquid.
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