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Railways PYQCBT 1 2016

RRB NTPC · Question 90

The building up and movement of ships is based on ________.

  1. Archimedes’ principle

  2. Faradays laws

  3. Fleming’s right hand rule

  4. Newton’s 2^nd law of motion

Show answer & explanation

Answer: (A) Archimedes’ principle

Explanation

Ships float because of Archimedes' principle: an object in a fluid feels an upward buoyant force equal to the weight of fluid it displaces. A ship's hollow hull displaces enough water to balance its weight.