Laws of Motion & Classifying Matter Vocabulary (Set 1)

Front

Balanced Forces

Back

When two equal forces are applied to an object in opposite directions, the object does not move.

Front

Accelerate

Back

A change in the velocity (speed, direction, or both) of a body (related word: acceleration).

Front

Force

Back

A pull or push that is applied to an object.

Front

Friction

Back

A force that opposes the motion of a body across a surface or through a gas or liquid.

Front

Gravitational Force

Back

An interaction between any two objects with mass that attracts them to one another; the magnitude of the gravitational force increases as the mass of the two objects increases and decreases as the distance between the objects increases.

Front

Inertia

Back

An object's resistance to a change in motion.

Front

Law

Back

A generalization or rule that describes recurring facts or events in nature.

Front

Mass

Back

The amount of matter in an object.

Front

Normal Force

Back

A contact force that acts perpendicular to a surface; an everyday force felt when a surface pushes back against an object placed on the surface.

Front

Speed

Back

Distance traveled per unit of time.