Unit 4 Test Review

Front

What happens to the mass of an object as it moves away from the center of Earth?

Back

The mass of an object stays the same.

Front

What is the term for the total force felt by an object?

Back

Net force.

Front

Which line on a graph indicates negative acceleration?

Back

Line A.

Front

What does it mean when a ping pong ball accelerates more than a baseball when thrown with the same force?

Back

This demonstrates Newton's Second Law of Motion.

Front

When are you undergoing acceleration in a car?

Back

When you speed up, slow down, or make turns.

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 is the formula for calculating force?

Back

Force = mass × acceleration (F = ma).

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

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 inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.