Chapter 3- Forces and Motion
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Transcript of Chapter 3- Forces and Motion
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Chapter 3- Forces and Motion
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_____________ is a change in the position of
an object.
Motion
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The force that pulls all objects toward each
other is ______________.gravity
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A _______________ is a place or object used to determine if an object is in motion.
reference point
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____________ is the rate at which an object changes position.
Speed
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Any push or pull is a ____________.force
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____________ is the speed and the direction an object is moving.
Velocity
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Objects move in _____________________, _____________________, or ____________________.
straight linesin curved paths
back and forth
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The mass of an object affects the _________ needed to change its motion.
force
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The force of __________ pulls objects to Earth.
gravity
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_______________ is the change in speed or direction of an object.
Acceleration