Chapter 7: Impulse and Momentum

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9 Terms

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Impulse

The change in momentum of an object due to the application of a force over a period of time.

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Linear Momentum

The product of an object's mass and its velocity, representing the quantity of motion in a straight line.

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Impulse-Momentum Theorem

States that the impulse acting on an object is equal to the change in its momentum.

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Conservation of Linear Momentum

The total linear momentum of an isolated system remains constant if no external forces act on it.

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Internal Forces

Forces exerted between objects within a system that cancel out due to Newton's Third Law.

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External Forces

Forces exerted on objects by sources external to the system, which can affect the system's momentum conservation.

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Collisions in One Dimension

Events where the total momentum of isolated systems is conserved, with examples like elastic, inelastic, and completely inelastic collisions.

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Collisions in Two Dimensions

Collisions within isolated systems conserve momentum components in both x and y directions.

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Center of Mass

The point representing the average location of the total mass of a system, with a velocity that remains constant in an isolated system.