Force & Motion 5th Grade SOL Flashcard

Front

What is force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What is motion?

Back

The change in position of an object over time.

Front

What does balanced force mean?

Back

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

Front

What does unbalanced force mean?

Back

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

Front

What happens to an object when a balanced force acts on it?

Back

The object remains at rest or continues to move at a constant speed.

Front

What happens to an object when an unbalanced force acts on it?

Back

The object accelerates, decelerates, or changes direction.

Front

What is speed?

Back

The distance an object travels per unit of time.

Front

What is acceleration?

Back

The rate at which an object changes its speed or direction.

Front

What is the relationship between force and motion?

Back

Force causes changes in motion; without force, an object will not change its state of motion.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.