Forces and Motion Review

Front

According to Newton's First Law, an object's velocity will not change unless _____ acts upon it.

Back

An unbalanced force.

Front

Which statement best describes the gravitational relationship between you and Earth?

Back

Your gravity attracts Earth with the same force that Earth's gravity attracts you.

Front

Newton's First Law of Motion is also known as the Law of _____

Back

Inertia.

Front

Racecar drivers try to improve their cars' acceleration by removing unnecessary weight. This is because of _____

Back

Newton's Second Law.

Front

Unbalanced forces cause an object to _____

Back

Speed up, slow down, or change direction.

Front

What is the definition of force?

Back

A push or pull on an object resulting from its interaction with another object.

Front

What is inertia?

Back

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

Front

What does Newton's Second Law state?

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 formula for calculating force?

Back

Force = Mass x Acceleration (F = ma).

Front

What is gravitational force?

Back

The attractive force between two objects due to their mass.