Front

What is Newton's 1st Law?

Back

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

Front

What is Newton's 2nd Law?

Back

F=ma (Force equals mass times acceleration).

Front

What is Newton's 3rd Law?

Back

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

Front

What is the Law of Universal Gravitation?

Back

Every point mass attracts every other point mass with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Front

What is a force?

Back

Any push or pull on an object.

Front

What is inertia?

Back

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

Front

What is momentum?

Back

The quantity of motion an object has, calculated as the product of its mass and velocity (p=mv).

Front

What happens in a collision between a large moving ball and a small stationary ball?

Back

The large ball slows down and the small ball speeds up.

Front

What is friction?

Back

The force that opposes the motion of an object when it is in contact with another object.

Front

What is an example of Newton's 1st Law?

Back

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.