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2
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force that pulls objects toward the earth.
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3
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a type of fluid friction on falling objects.
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4
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objects at rest will stay at rest unless acted upon by an outside force.
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5
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the force that are in equal and opposite direction.
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6
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the contact of two surfaces.
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9
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can cause an object to move, stop moving, or change direction.
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10
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the change in velocity per unit of time.
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11
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force is responible for binding of nuclei of a atom.
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13
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the distance an object travels per unit of time.
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14
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the net force on an object moving in a circular path.
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17
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holds the particles of the atom together.
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