Forces and Motion Concepts

Front

What is a force?

Back

A force is a push or pull that can cause an object to move, stop, or change direction.

Front

What is motion?

Back

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

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the center of the Earth.

Front

What is balanced force?

Back

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

Front

What is unbalanced force?

Back

Unbalanced forces are not equal, causing an object to accelerate or change direction.

Front

What is friction?

Back

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

Front

What is air resistance?

Back

Air resistance is a type of friction that acts against objects moving through the air.

Front

What is a parachute?

Back

A parachute is a device that slows down an object's fall by creating air resistance.

Front

What is mass?

Back

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

Front

What is weight?

Back

Weight is the force of gravity acting on an object's mass.