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08-02-2024
Physics

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U₁ and U₂ are the strain energies stored in a prismatic bar due to axial tensile forces P₁ and P₂, respectively. The strain energy U stored in the same bar due to combined action of P₁ and P2 will be

A. U = U₁ + U₂
B. U = U₁U₂
C. U < U₁ + U₂
D. U > U₁ + U₂

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