PHYSICS ANIMATION / SIMULATION: Ball Rolling Down a Slope Converting Potential Energy into Kinetic Energy

A ball rolls down a slope, losing potential energy (blue) and gaining kinetic (moving) energy (red). The amount of potential energy is directly proportional to the height of the ball, and what it loses in potential energy it gains in kinetic. This is graphed at top left. The energy units are arbitrary. This is one example of the conservation of energy (although it's an ideal system without frictional losses).

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