MS-PS2-2: Definitions, Key Concepts & Examples

Front

Force

Back

A push or pull on an object.

Front

Mass

Back

Amount of matter in an object.

Front

Motion

Back

Change in position of an object.

Front

Net Force

Back

Sum of all forces acting on an object.

Front

Acceleration

Back

Change in velocity over time.

Front

Newton's First Law

Back

An object at rest stays at rest.

Front

Newton's Second Law

Back

F = ma (Force equals mass times acceleration).

Front

Newton's Third Law

Back

For every action, equal and opposite reaction.

Front

Balanced Forces

Back

Forces that are equal in size and opposite in direction.

Front

Unbalanced Forces

Back

Forces that cause a change in motion.