Newton's Laws

Front

What happens when the net force on an object is zero?

Back

The forces on the object are balanced.

Front

If two forces are in the same direction, do they cancel each other out?

Back

No, they add together.

Front

According to Newton’s first law of motion, what happens to a moving object that is not acted on by an unbalanced force?

Back

It will remain in motion.

Front

What is the net force if two forces of 20 N and 25 N are acting in the same direction?

Back

45 N.

Front

What does a force in the opposite direction to the motion of an object do?

Back

It causes the object to slow down.

Front

What is Newton's first law of motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.

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 and opposite, causing a change in motion.

Front

What is the effect of a net force greater than zero on an object?

Back

The object will accelerate in the direction of the net force.

Front

What is friction?

Back

A force that opposes the motion of an object.