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Forces
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True or False: The strength of gravity depends on the mass of the objects and the distance between the objects.
True
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Something that makes a task easier by changing the size or direction of a force or the distance over which the force acts
Machine
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The use of a force to move an object through a distance.
Work
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True or False: Earth is considered to be a huge magnet.
True
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Forces that occur when one force is greater than its opposite force
Unbalanced force
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What are the forces that affect objects on Earth every day?
Friction, Gravitation, Magnetism
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Forces that are equal in size and opposite in direction.
Balanced Force
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Force is measured in
Newtons
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__________ machines are two or more simple machines put together.
Compound
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True or False: Balanced forces can either speed up, slow down, or stop an object.
False
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The force that pulls all objects in the universe toward one another.
Gravity
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The force of attraction between magnets and magnetic objects.
Magnetism
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Name 3 simple machines.
Wheel and axle, Pulley, Lever, Screw, Inclined Plane, Wedge
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When a(n) _________________ force is acting on an object it will seem as if no force is acting on the object.
balanced
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Any push or pull that causes an object to move, stop, or change speed or direction.
Force
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A force that opposes, or acts against, motion when two surfaces rub against each other.
Friction
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_______________ = force X distance
Work
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