Gravity and Friction
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These flashcards cover key vocabulary terms related to the concepts of gravity and friction.
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10 Terms
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Force
A push or a pull on an object.
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Contact Force
Push or pull on one object by another object.
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Noncontact Force
Applied without touching.
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Electric Force
Makes hair stand on end.
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Gravity
Keeps you from floating away.
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Magnetic Force
Makes a compass needle point north.
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Kilogram
Unit of mass.
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Newton
Unit of force or weight.
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Friction
Resists the motion of two surfaces that are touching.
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Lubricant
Reduces friction.
Note 
Flashcards (44)