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How does an object gain energy when it enters a potential field?
Conservation of energy says total change in energy is $0$.
Let's assume a small object is in outer space (maybe like a football).
It moves towards a planet (assume planet has no atmosphere for ...
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What is a natural movement of a ball on a upward curve (the two arrow lines pointing upward) given no external force?
If you drop a ball down a upward curving parabolic ramp, what is the expected movement of the ball? Assume the ball is set into motion with no external force.
Would it go all the way from point A to ...
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