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10.2 Fields at work - Coggle Diagram
10.2 Fields at work
Potential gradient
Gravitational potential gradient
It is the slope of a graph which plots the gravitational potential against the distance from the mass. (Field strength)
Electrostatic potential gradient
Orbital
Orbital period
Kepler's third law The ratio of the square of an object's orbital period with the cube of the semi-major axis of its orbit is the same for all objects orbiting the same primary.
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Potential difference
Electrostatic potential difference
the amount of work done in moving unit mass from one point to another point against the gravitational force of attraction
Gravitational potential difference
the work done by moving a positive test charge from one point to another in an electric field.
Escape speed
Escape speed it the minimum speed required for an object launched from the surface of a planet to reach infinity.
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