Physics Concepts

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Acceleration

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Rate of change of velocity.

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Acceleration Due to Gravity

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The acceleration of an object due to a planet’s gravitational field. On Earth gravity (g) = 9.8m/s.

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Deceleration

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Slowing down; also known as negative acceleration.

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Displacement

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A vector quantity that measures the change in position of an object and its direction over a certain period of time.

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Elastic Potential Energy

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The energy possessed by stretched or compressed objects.

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Gravitational Potential Energy

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The energy possessed by objects raised to a height in a gravitational field.

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Inertia

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The tendency of an object to resist changes in its motion while either at rest or in constant motion.

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Kinetic Energy

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The energy possessed by moving objects.

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Law of Conservation of Energy

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A scientific law that states the total energy in a system is always constant and cannot be created or destroyed.

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Magnitude

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The size or extent of something.