Potential energy and conservative forces (part 4) | AP Physics | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now. https://www.khanacademy.org/science/ap-physics-c-mechanicsA conservative force exerted on a system in a single dimension is equal to the negative derivative of the system’s potential energy with respect to position in that dimension. The force points in the direction of decreasing potential energy. The relationship is represented by the following equation: F_x = -dU(x)/dx
Sections:
00:00 - Intro
01:04 - Finding force from potential energy
05:03 - Earth-ball system
08:08 - Two-mass system interacting gravitationally
10:35 - Spring-block-wall system
12:20 - Summary
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