Forces & Motions UNIT Test

Front

What is acceleration?

Back

Acceleration is the rate at which velocity changes.

Front

What is the force of attraction between any two objects that have mass?

Back

Gravitational force.

Front

What does displacement refer to in motion?

Back

Displacement refers to the total distance an object moves from its starting point to its final location, including the direction.

Front

Which of the following is an example of a contact force?

Back

Friction.

Front

How do unbalanced forces affect the motion of an object?

Back

They cause a change in the object's speed or direction.

Front

What is a contact force?

Back

A force that requires physical contact between two objects.

Front

What is the difference between speed and velocity?

Back

Speed is the distance traveled over time, while velocity includes direction.

Front

What is inertia?

Back

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

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 an unbalanced force.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.