Unit 10: Force and Motion Vocabulary Practice

Front

What does Newton's third law state?

Back

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

Front

What is an example of velocity?

Back

Running 10 m/s south.

Front

What two things must be measured to find an object's velocity?

Back

Speed and direction.

Front

Which law explains how much more force a larger rock requires to move than a smaller rock?

Back

Newton's 2nd Law.

Front

What is the measure of how much matter an object has?

Back

Mass.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration.

Front

What is inertia?

Back

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

Front

What is the difference between speed and velocity?

Back

Speed is scalar (magnitude only), while velocity is vector (magnitude and direction).

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Front

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

Back

Newton (N).