Force and Motion

Front

What happens when two magnets repel?

Back

They push apart.

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The movement of an object from one place to another.

Front

What evidence supports that gravitational force affects motion?

Back

The roots grow downward because they are affected by the force of gravity.

Front

What is gravity?

Back

A force that pulls objects toward each other.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is a balanced force?

Back

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

Front

What is an unbalanced force?

Back

Forces that are not equal, causing a change in motion.

Front

What is speed?

Back

The distance an object travels in a certain amount of time.