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PhysicsW.E.P.Conservative force & potential energyEasy2 minQB

PhysicsEasymultiple choice

Potential energy of a system is given by $U (x) = (x + 1) (x + 2)$ . Then

Answer:

A, C

Solution:

$F = - \frac{d U}{d x} = - (2 x + 3)$ , so equilibrium occurs only at $x = - 1.5$ - (A) correct, (B) wrong.

$\frac{d ^{2} U}{d x ^{2}} = 2 > 0$ , so the equilibrium is stable - (C) correct, (D) wrong.

Stream:JEESubject:PhysicsTopic:W.E.P.Subtopic:Conservative force & potential energy

⏱ 2mℹ️ Source: QB

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