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Sc Vocab and Questions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
a push or pull that acts on an object   force  
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a device that changes the direction or the amount of force needed to do work   machine  
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the state of an object when all forces acting on it balance each other   equilibrium  
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the speed and direction of an object's motion   velocity  
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the rate at which the velocity of an object changes over time   acceleration  
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the rate at which work is done   power  
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the tendency of an object to resist any change in motion   inertia  
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something that is done when a force moves an object   work  
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An object resista a change in motion because of _______________.   inertia  
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A ___________is a device that makes work easier   machine  
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The ___________ of a moving object describes its speed and direction.   velocity  
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When all forces acting on an object balance each other, the object is said to be in a state of _____________.   equilibrium  
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Gravity is __________ that pulls objects toward the center of the Earth.   force  
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_________ is done when a force moves on an object.   Work  
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__________ is the rate at which velocity changes.   Acceleration  
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__________ is the rate at which work is done.   Power  
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Created by: Dorsey
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