PS Unit 3 Final Exam Review

Front

What is momentum?

Back

Momentum is the product of an object's mass and its velocity. It is a vector quantity, meaning it has both magnitude and direction.

Front

Which object has more momentum if a golf ball and a bowling ball are rolling at the same speed?

Back

The bowling ball has more momentum because it has a greater mass.

Front

What type of friction does a submarine experience while moving through water?

Back

Fluid friction.

Front

According to Newton's law of inertia, what can be said about an object moving at a steady speed on a frictionless surface?

Back

The object will continue to move at that steady speed unless acted upon by an external force.

Front

What happens to the gravitational force between two objects as their mass increases?

Back

The gravitational force increases.

Front

What happens to the gravitational force between two objects as the distance between them decreases?

Back

The gravitational force increases.

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 at a constant velocity unless acted upon by a net external force.

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 (F=ma).

Front

What is Newton's Third Law of Motion?

Back

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

Front

What is the formula for calculating momentum?

Back

Momentum (p) = mass (m) × velocity (v).