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Railways NTPC (Technical Ability) Engineering Mechanics and Strength of Materials Question Bank Engineering Mechanics

  • question_answer
    Two pieces of steel and brass weighing 20 N and 10 N respectively fall freely under the action of gravity from a tower. For the two pieces which one of the following will be equal after falling and equal distance?                                    

    A) Acceleration                  

    B) Momentum       

    C) Potential energy 

    D) Kinetic energy    

    Correct Answer: C

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