Forces and Motion

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 does it mean to repel?

Back

To repel means to push away from each other.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the Earth.

Front

What is mass?

Back

Mass is the amount of matter in an object, which affects how much force is needed to move it.

Front

What is a magnet?

Back

A magnet is an object that can attract or repel certain materials, like iron, without touching them.

Front

What happens when two magnets are brought close together?

Back

They can either attract (pull together) or repel (push apart) depending on their poles.

Front

What is the relationship between mass and force?

Back

The more mass an object has, the more force is needed to move it.

Front

What is an example of an object moving against gravity?

Back

A helium balloon rising into the sky is moving against gravity.

Front

What is friction?

Back

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