1d motion test Flashcards

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1
Q

motion

A

change in an object’s position

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2
Q

distance (m)

A

total change in an object’s position, doesn’t include direction in measurement

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3
Q

displacement (m)

A

net change in an object’s position, does include direction in measurement (the shortest distance between two points)

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4
Q

speed (m/s)

A

measurement of how much something’s position changes per unit time
magnitude

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5
Q

velocity (m/s)

A

measurement of how much something’s position changes per unit time, magnitude and direction
+ and - sign is the direction

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6
Q

delta (triangle)

A

change in

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7
Q

instantaneous velocity (m/s)

A

how fast an object is moving at a particular instant in time and the direction of the object’s motion

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8
Q

acceleration

A

rate of change in an object’s velocity per unit time

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9
Q

slope

A

measure of steepness of a line

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10
Q

intercept

A

where a line intercepts on the y or x axis

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11
Q

d-t graph

A

graph showing distance vs. time

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12
Q

v-t graph

A

graph showing velocity vs. time

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13
Q

force

A

a push or pull

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