Newton's Laws of Motion

Front

What is Newton's 1st Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion at a constant speed and in a straight line unless acted upon by an unbalanced force.

Front

Give an example of Newton's 1st Law of Motion.

Back

A Chromebook sitting on a desk, a train traveling at a constant speed, or a soccer ball traveling at the same speed until it hits the net.

Front

What are unbalanced forces?

Back

Forces that cause an object to accelerate, change direction, or change speed.

Front

What are balanced forces?

Back

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

Front

What is Newton's 2nd Law of Motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

Who developed the three laws of motion?

Back

Sir Isaac Newton.

Front

What is inertia?

Back

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

Front

How does mass affect inertia?

Back

The greater the mass of an object, the greater its inertia, making it harder to change its motion.

Front

What is an example of Newton's 3rd Law of Motion?

Back

When you jump off a small boat, the boat moves backward as you move forward.