The Value of the Momentum of a System Is the Same

question 54

Multiple Choice

The value of the momentum of a system is the same at a later time as at an earlier time if there are no

• A) collisions between particles within the system.
• B) inelastic collisions between particles within the system.
• C) changes of momentum of individual particles within the system.
• D) internal forces acting between particles within the system.
• E) external forces acting on particles of the system.

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Definitions:

Vectors

Physical quantities defined by both magnitude and direction, such as displacement, velocity, and acceleration, often represented graphically by arrows.

Magnitude

The size, length, or amount of something, often measured in mathematical terms.

°

Degree, a unit of measurement for angles or temperature.

Vectors

Physical quantities characterized by having both magnitude and direction, commonly used in physics and engineering to describe forces, velocity, etc.