5.1, 5.2 Keywords Quiz

What does the term "force" refer to?

• A push or pull that acts on an object

• The resistance of an object to motion

• The speed at which an object moves

• The weight of an object

What is required for a contact force to occur?

• Two pieces of matter to touch

• An object to be in motion

• A magnetic field

• A chemical reaction

What does NOT describe friction?

• A force that prevents sliding

• A force that only acts in space

• The force that results when two materials rub against each other

• An example of a contact force

What is a non-contact force?

• A force that requires physical contact

• A force that acts at a distance

• A force that only acts in water

• A force that can be seen

Which BEST describes gravity?

• The speed at which an object falls

• The force that pulls objects towards each other

• The force that pulls object towards a planet

• The force that only affects planets

What is acceleration?

• The process of an object slowing down

• The rate at which an object's weight changes over time

• The rate at which the speed or direction of an object changes over time

• The constant speed of an object in motion

An object in motion will stay at the same speed and direction without an outside force.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

An object at rest will stay at rest without a force.

• Newton's Third Law of Motion
• Newton's Second Law of Motion
• Newton's First Law of Motion
• Law of Conservation of Energy

An object will stay in uniform motion unless a net force acts on the object.

• Newton's Second Law of Motion
• Law of Conservation of Energy
• Newton's First Law of Motion
• Newton's Third Law of Motion

What does inertia refer to?

• The speed of an object

• The tendency of an object to resist any change in motion

• The weight of an object

• The color of an object