Unit 3 Test Study Guide (AJW)

Front

What is kinetic friction?

Back

Kinetic friction is the force that opposes the motion of two surfaces sliding past each other.

Front

What is static friction?

Back

Static friction is the force that prevents two surfaces from sliding past each other when at rest.

Front

What is the difference between kinetic and static friction?

Back

Static friction exists between stationary objects, while kinetic friction exists between two objects when at least one is moving.

Front

What are vectors?

Back

Vectors are quantities that have both magnitude and direction.

Front

What is the effect of the moon's gravitational pull on Earth?

Back

The moon's gravitational pull causes tides in the oceans.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it is in contact with another surface.

Front

What is centripetal force?

Back

Centripetal force is the force that keeps an object moving in a circular path.

Front

What is inertia?

Back

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

Front

What is gravitational pull?

Back

Gravitational pull is the force of attraction between two masses.

Front

What is momentum?

Back

Momentum is the product of an object's mass and its velocity.