physical science - module 1
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13 Terms
1
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motion
changing position relative to a reference point
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displacement
distance and direction of a change in position relative from the starting point
3
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speed
the rate at which an objects position changes
4
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what are the axis's on a distance time graph
time is the x axis and distance is the y axis
5
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what is the slope on a distance time graph
the speed
6
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velocity
the distance and the speed relative to a reference point
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how is an objects position described
relative to a reference point
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what is momentum
defined for a particular frame of reference and the product of mass and velocity
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acceleration
the rate of change of velocity
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speed increases when
the acceleration and velocity are in the same direction
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speed decreases when
the acceleration and velocity are in opposite directions
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if an object is moving in a straight line the change in velocity is
the final speed minus the initial speed
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acceleration toward the center of a curved path
centripetal acceleration