710Civil EngineeringMedium
a uniform circular bar of diameter d and length, which extends by an The deflection of amount under a tensile pull, when it carries the same load at its mid-span, is________?
Ae2l2/3d2
Be2l/3d2
Cel/2d
Del2/3d2
Correct answer
D. el2/3d2
Explanation
The correct answer is el2/3d2.