Force & Potential Energy Video Lessons

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# Problem: The plot shown represents the potential energy of a particle that can only move along the x-axis, as a function of the coordinate x. Which of the following statements is correct:[a] In B and D the force is zero;[b] The force in B is positive;[c] A and C are stable equilibrium positions;[d] The force in D is positive;[e] A and C are unstable equilibrium positions.

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###### Problem Details

The plot shown represents the potential energy of a particle that can only move along the x-axis, as a function of the coordinate x. Which of the following statements is correct:

[a] In B and D the force is zero;

[b] The force in B is positive;

[c] A and C are stable equilibrium positions;

[d] The force in D is positive;

[e] A and C are unstable equilibrium positions.

What scientific concept do you need to know in order to solve this problem?

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor McKenna's class at UBC.