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For the potential energy curve shown in ...

For the potential energy curve shown in figure.
(a) Determine whether the force `F_x` is positive, negative, or zero at the five points indicated, (b) Indicate points of stable, unstable, and neutral equilibrium, (c) Sketch the curve for `F_x` versus x from `x=0` to `x=8m`.

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a. `F_x` is zero at points A, C, and E, `F_x` is positive at point B and negative at point D
b. A and E are unstable, and C is stable.
c.
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CENGAGE PHYSICS-WORK, POWER & ENERGY-Exercise 8.2
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