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19 Cards in this Set
- Front
- Back
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work is measured by the amount of______times the distance
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force
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simple machines make work________
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easier
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____is the ability to do work
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energy
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______energy is energy that can be used later to do work
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stored
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Food,Fuel, and ____ all have stored energy
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batteries
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what kind of energy is described
ringing bell |
sound energy
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a lit candle
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light energy
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a hot iron
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electrical
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sled coasting down a snow hill
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mechanical
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battery in a cell phone
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chemical
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force that slows or stops motion
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friction
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force of a magnet
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magnetism
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force thta pulls objects toward the center of the earth
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gravity
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a push or a pull
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force
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the amount of force gravity has on an object
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weight
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objects cannot move unless a force causes them to move
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true
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an object moves in a different direction as the force that moves it
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false - same direction
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three examples of stored energy
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batteries food fuel
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motion can be described by what _____ an object is going, how____it is going and how fast it is going
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direction far
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