Chapter 2 Forces and Motion Review

A force that requires two pieces of matter to touch______.

• Contact Force

• Push

• Pull

• Acceleration

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

• Friction

• Motion

• Newton's 1st Law

An area of partial darkness where light has been blocked by an object________.

• Motion

• Force

• Concrete

• Shadow

States when one object exerts a force on a second object, the second object exerts a force on the first___________+_.

• Newton's Third Law

• Acceleration

• Force

• Matter

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A force that acts at a distance_____________.

• Non-contact force

• force

• motion

• pull

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Describes how acceleration, mass, and force are related_________.

• Speed

• Newton's 2nd Law

• Motion

• Newton's first law

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The force that results when two materials rub against each other or when their contact prevents sliding __________.

• Speed

• Friction

• Inertia

The rate at which the speed or direction of motion of an object changes over time________________.

• Force

• Acceleration

• Gravity

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Describe equal forces that combine to act as an object in opposite directions_____________.

• Gravity

• Balanced

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A push or pull that acts on an object_____________.

• Force

• Kick

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