Force & Motion Key Terms

Front

What does Newton's third law state?

Back

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

Front

What is speed in a specific direction called?

Back

Velocity.

Front

What does CER stand for in scientific reasoning?

Back

Claim Evidence Reasoning.

Front

What is a quantity that has both size and direction?

Back

Vector.

Front

What does inertia depend on?

Back

Mass.

Front

What is the formula for calculating force?

Back

Force = Mass x Acceleration.

Front

What is the difference between speed and velocity?

Back

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

Front

What is acceleration?

Back

The rate of change of velocity per unit of time.

Front

What is a reference point?

Back

A stationary object used to determine the position of another object.

Front

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

Back

Newton (N).