Physical Science Physics Semester Review

Front

What does a horizontal line on a distance-versus-time graph indicate?

Back

The object's speed is zero.

Front

What is Newton's Third Law of Motion?

Back

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

Front

What happens to an object's acceleration if the force applied to it is increased?

Back

It accelerates more.

Front

What type of force produces a change in motion?

Back

Unbalanced force.

Front

What does it mean when an object is in motion?

Back

It continues to move in a straight line unless acted upon by an external force.

Front

What is the formula for calculating force?

Back

Force = mass x acceleration.

Front

What is inertia?

Back

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

Front

What is the relationship between mass and acceleration according to Newton's second law?

Back

As mass increases, acceleration decreases if the same force is applied.

Front

What does it mean for a force to be balanced?

Back

The forces acting on an object are equal in size and opposite in direction, resulting in no change in motion.

Front

What is the effect of frictional force on motion?

Back

It opposes the motion of an object.