Front

What happens to the motion of two balls when they collide?

Back

Their motion can change.

Front

What is the effect of friction on a moving object?

Back

It opposes the object's motion.

Front

What type of force is friction?

Back

A force that opposes motion.

Front

What is kinetic energy?

Back

Energy an object possesses due to its motion.

Front

What is being described when a train is moving east at 80 km/h?

Back

The train's direction and speed.

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 energy?

Back

The ability to do work or cause change.

Front

What is potential energy?

Back

Energy stored in an object due to its position.

Front

What is the relationship between force and motion?

Back

Force causes an object to move or change its motion.