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# Figure 7.22a shows the potential-energy function for the

ISBN: 9780321675460 31

## Solution for problem 18DQ Chapter 7

University Physics | 13th Edition

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Problem 18DQ

Figure 7.22a shows the potential-energy function for the force Fx = -kx. Sketch the potential-energy function for the force Fx = +kx. For this force, is x = 0 a point of equilibrium? Is this equilibrium stable or unstable? Explain.

Step-by-Step Solution:

Solution 18DQ Step 1: For the force, F(x) = kx, The potential energy would be, 1 2 U(x) = x dx = k x2. The graph of this will look like,

Step 2 of 2

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