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The variation of potential energy U of a body moving along x-axis varies with it's position x as shown in figure. The body is in equilibrium state at

The variation of potential energy U of a body moving along x-axis varies with it's position x as shown in figure. The body is in equilibrium state at

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Grade:11

1 Answers

Agrata Singh
208 Points
5 years ago
For a body whose potential energy is given force on it can be found by
F=-dU/dx
When U vs x graph is given the slope of graph gives the force
Body will be in equilibrium when F=0 or slope of graph is zero 
Slope is zero wherever tangent drawn to curve is parallel to x axis
In the given graph slope is zero at B hence body is in eqm at B

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