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20 Cards in this Set
- Front
- Back
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weight
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- the force at which the earthm moon, or oher large objects attract other objects toward each other.
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The normal force
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- the support force exerted upon an object which is in contact with another stable object
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spring force
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exerted by a spring upon the objects connnected to each of its two ends. Spring forces may result from either a compresssed or a stretched spring
-dependent upon the elasity of the spring |
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- sliding friction force
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exerted by a surface as an object moves across it.
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air resistance
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-a special type of frictional force which acts upon objects as they travel through the air
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when doesnt air resistance oppose the motion of the object?
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never
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tension
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the force which is transmitted through a string, rope, wire, or cable when it is pulled tight by forces acting from each end.
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applied force
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the force which is applied to an object by a person or antoher object
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T/F a book lying on a table involves tension
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F
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t/f A chandelier hanging from a ceiling involves tension
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T
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t/f two teams participating in a tug of war involves tension?
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T
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an automobile moving along a road involves tension
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F
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an elevator moving in a building shaft involves tension
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T
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a basketball passed from one player to another involves tension
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F
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A horse pulling a cart involves tension
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T
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A truck towing a boat behind it involves tension
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T
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Water skiing involves tension
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T
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A trapeze act involves tension
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T
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Paddling a canoe involves tension
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F
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Parachuting invloves tension
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T
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