A uniform rod is kept at smooth horizontal surface, a constant force is applied on the rod in horizontal direction at end ' $A$ '. Find the ratio of energy stored per unit volume at end $A$ to the energy stored per unit volume in the middle of rod.

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A uniform rod is kept at smooth horizontal surface, a constant force is applied on the rod in horizontal direction at end '

A

'. Find the ratio of energy stored per unit volume at end

A

to the energy stored per unit volume in the middle of rod. A uniform rod is kept at smooth horizontal surface, a constant force is applied on the rod in horizontal direction at

A uniform rod is kept at smooth horizontal surface, a constant force is applied on the rod in horizontal direction at

Quantrex Academy · Accepted Answer

Correct answer: B. 4

u=(1)/(2) ( stress )^2 Y Stress = Tension area U_ A U_ middle = T_ A ^2 (~T_ middle )^2 = F^2 (~F / 2)^2 =4

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