654Mechanical EngineeringMedium
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight________?
Ahalf of the square of weight of bar applied at lower end
Bnone of the above
Chalf the weight of bar applied at lower end
Dof same magnitude as that of bar and applied at the lower end
Eone-fourth of weight of bar applied at lower end
Correct answer
C. half the weight of bar applied at lower end
Explanation
The correct answer is half the weight of bar applied at lower end.