2. Questions Bank
  3. Railways
  4. NTPC (Technical Ability)
  5. Engineering Mechanics and Strength of Materials

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

  • question_answer
    An elevator weighing 10 kN attains an upward velocity of 5 m/s in 2s with uniform acceleration. The tension in the supporting rope is:

    A) 3.75 kN            

    B) 625 kN

    C) 7.45 kN            

    D) 1, 2.55 kN

    Correct Answer: D

    Solution :

    \[T\text{ }=\text{ }w\text{ }\left( 1\text{ }=\text{ }a/g \right)\] \[=10\text{ }\left( 1+2.5/9.8 \right)\text{ }=\text{ }12.55\text{ }KN\]


You need to login to perform this action.
You will be redirected in 3 sec spinner