Chapter 2 Forces and Motion 5th Grade

A push or a pull that acts on an object

• Friction

• Force

• gravity

• acceleration

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The force that results when two materials rub against each other

• Friction

• Force

• gravity

• acceleration

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The force of attraction between any two objects

• Friction

• Force

• gravity

• acceleration

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

• Friction

• Force

• gravity

• acceleration

The tendency of an object to resist any change in motion

• Inertia

• Uniform Motion

• Net Force

• Combined Force

Motion where the speed and direction do not change

• Inertia

• Uniform Motion

• Net Force

• Combined Force

Two forces of equal strength that combine to act on the same object but in opposite directions

• Balanced

• Uniform Motion

• Net Force

• Combined Force

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The total of all forces acting on a body

• Balanced

• Uniform Motion

• Net Force

• Combined Force

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 Two forces acting together in the same direction

• Balanced

• Uniform Motion

• Net Force

• Combined Force

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An object at rest will remain at rest or an object in motion will remain in motion unless acted on by an unbalanced force.

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

• Newton's 4th Law of Motion