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12 Cards in this Set
- Front
- Back
- 3rd side (hint)
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speed
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Distance travled divided by the time interval during which the motion occured
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if distance and interval are in the answer then the only thing left is speed
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velocity
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quntity describing both speed and direction
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when those kids go to velocitythen went to get back with their speed and first step (direction) for basketball
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momentum
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a quantity defined as the product of an objects mass and its velocity
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when their is the word mass just think of MMMMMomentum
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acceleration
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change in velocity divided by the time interval in whcih the change occured
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when you see the word Change then think acceleration cuz when you CHANGE your speed your accelerating
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force
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the cause of acceleration, or change in an objects velocity
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when force is applied is Causes something or changes
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balanced forces
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forces acting on an object that combine to prodce a net force equal to zero
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explains itself..when something combines and it goes to zero then its balanced
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unbalanced forces
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forces acting on an object that combine to produce a nonzero force
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so if its not zero its Non zero so that means its not balanced
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friction
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the force between two objects in contact that opposes the motion of either object
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self explanitory
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gravity
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the attraction between two particles of matter due to their mass
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gravity keeps object on the ground and so does fat people and their mass
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intertia
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the tendency of an object to remain at rest or in motion with a constant velocity
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ertia= everything the same.. and in means your in it
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free fall
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the motion of a body when only the force of gravity is acting on it
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terminal velocity
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the maximum velocity reached by a falling object that occurs when the resistance of the medium is equal to the force due to gravity
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A parachute..or sky diver..the point when the parachute opens up but your stll going down
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