Terminology Flashcards

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1
Q

what is a scalar quantity?

A

only a measurement of magnitude

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2
Q

what is a vector quantity?

A

a measurement of magnitude with direction

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3
Q

is distance a scalar or vector quantity?

A

scalar

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4
Q

is displacement a scalar of vector quantity?

A

vector

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5
Q

is mass a scalar or vector quantity?

A

scalar (amount of matter or substance that makes up an object.)

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6
Q

is weight a scalar or vector quantity?

A

vector (weight is the pull of gravity on your mass.)

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7
Q

what is the definition of distance?

A

how far an object travels over a certain period of time.

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8
Q

what is the definition of displacement?

A

the change in position of an object and its direction over a certain period of time (calculated using Pythagoras theorem.)

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9
Q

what is acceleration?

A

acceleration is the rate of change of velocity over time.

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10
Q

what is your speed at a particular time called?

A

instantaneous speed

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