G8 - Motion and forces Vocabulary Flashcards

Front

Force

Back

A push or pull that can change the speed, direction, or shape of an object.

Front

Contact Force

Back

A force that needs touch to act, like friction or air resistance.

Front

Non-Contact Force

Back

A force that acts without touching, like gravity or magnetism.

Front

Friction

Back

A force that slows down moving objects when they touch.

Front

Gravity

Back

A force that pulls objects toward the Earth or any large object in space.

Front

Speed

Back

How fast an object moves, measured in meters per second (m/s).

Front

Velocity

Back

Speed in a specific direction (e.g., 10 m/s north).

Front

Acceleration

Back

A change in speed over time (faster or slower).

Front

Mass

Back

The amount of matter in an object, measured in kilograms (kg).

Front

Weight

Back

The force of gravity on an object, measured in newtons (N).