Newton's Laws of Motion

Front

A rocket launches because of ______.

Back

an opposite reaction

Front

_______ force is needed to move objects of larger mass.

Back

More

Front

For every action there is ______ and opposite reaction.

Back

an equal

Front

Objects in motion tend to stay in motion, while objects at rest, tend to _____________.

Back

stay at rest

Front

The force that pulls objects down towards the center of the Earth.

Back

Gravity

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 a net external force.

Front

What does inertia refer to?

Back

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

Front

What is the formula for calculating force?

Back

Force = Mass x Acceleration (F = ma)

Front

What is Newton's Second 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.

Front

What is the definition of mass?

Back

The amount of matter in an object, usually measured in kilograms.