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Railways PYQCBT 1 2016

RRB NTPC · Question 63

Objects float on water based on _________.

  1. Newton’s third law of motion

  2. Hooke’s law

  3. Faraday’s law

  4. Archimedes principle

Show answer & explanation

Answer: (D) Archimedes principle

Explanation

By Archimedes' principle, a body in a fluid feels an upward buoyant force equal to the weight of fluid it displaces. An object floats when that force can balance its weight.