1.

Condition for the stable equilibrium of a conservative force system in terms of potential energy U is

A. δU = 0 and δ2U = 0
B. δU = 0 and δ2U > 0
C. δU = 0 and δ2U < 0
D. δU > 0 and δ2U = 0
Answer» C. δU = 0 and δ2U < 0


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