Force and Motion

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is gravity?

Back

A force that pulls objects toward each other, like the Earth pulling us down.

Front

What tool do you use to measure distance?

Back

Ruler or meter stick.

Front

What tool do you use to measure mass?

Back

Pan balance.

Front

What happens when two magnets attract?

Back

They pull together.

Front

What happens when two magnets repel?

Back

They push apart.

Front

How can a force change an object's motion?

Back

By starting the object moving.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.