Front

What is the sum of all forces acting on an object called?

Back

Net Force

Front

Forces have both _________ and direction.

Back

Magnitude

Front

In a force diagram, what does the size/length of the arrow represent?

Back

The strength of the force.

Front

What type of forces are present when the net force is not zero?

Back

Unbalanced forces.

Front

What happens to a skydiver who has just opened the parachute?

Back

The skydiver slows down.

Front

What is the term for forces that are equal in size but opposite in direction?

Back

Balanced forces.

Front

What is the effect of balanced forces on an object's motion?

Back

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

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N).

Front

What does a free-body diagram illustrate?

Back

All the forces acting on an object.

Front

What is the relationship between mass and force according to Newton's second law?

Back

Force equals mass times acceleration (F = ma).