ODU: Motion, Equations and Graphs Flashcards

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1
Q

What is the definition of Scalar?

A

A quantity that consists of a magnitude (size) only.

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2
Q

What is the definition of Vector?

A

A quantity that consists of a magnitude (size) and direction

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3
Q

What is the definition of Speed?

A

The distance travelled per unit time. It is a scalar quantity

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4
Q

What is the definition of Velocity?

A

The displacement travelled per unit time

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5
Q

What is the definition of acceleration?

A

The change in velocity per unit time. It is a vector quantity and is given by the gradient of the line on a velocity-time graph.

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6
Q

Describe an experiment to measure the acceleration of an object down a slope

A
Measurments:
Length of mask (in metres)
Time to cut the first lightgate t1
Time between the two lightgates t2
Time to cut the second light gate

Method:
Determine the initial velocity
Determine the final velocity
Determine the acceleration of the mask

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