Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is gravitational force?

Back

Gravitational force is the attraction between two objects due to their mass.

Front

What does mass mean?

Back

Mass is the amount of matter in an object, usually measured in grams or kilograms.

Front

What is an unbalanced force?

Back

An unbalanced force is when two forces acting on an object are not equal, causing the object to move.

Front

What is a balanced force?

Back

Balanced forces are equal in size and opposite in direction, resulting in no change in motion.

Front

How does mass affect motion?

Back

Objects with more mass require more force to move the same distance as lighter objects.

Front

What is air resistance?

Back

Air resistance is a force that opposes the motion of an object through the air.

Front

What is the role of friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

What is a parachute?

Back

A parachute is a device that slows down an object falling through the air by creating air resistance.