Motion- velocity, acceleraion, displacement and time Flashcards

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1
Q

Define velocity

A

The rate of change of displacement

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2
Q

How do you calculate velocity?

A

v= change in displacement/time taken

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3
Q

Define Acceleration

A

The rate of change of velocity

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4
Q

How do you calculate acceleration?

A

a=change in velocity/time taken

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5
Q

What does constant acceleration look like on a displacement time graph?

A

An increasing curve starting from the origin

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6
Q

What does constant acceleration look like on a velocity time graph?

A

Straight line starting from the origin

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7
Q

What does constant acceleration look like on a acceleration time graph?

A

A straight line that goes horizontally from the y-axes

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8
Q

How do you calculate the displacement on a velocity time graph?

A

Calculate the area under the graph

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9
Q

How would you calculate velocity on an acceleration time graph?

A

The area under the graph

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10
Q

What is the gradient on a velocity time graph?

A

acceleration

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11
Q

On a velocity time graph what does a curved graph show?

A

non-uniform acceleration

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12
Q

What does a change in sign of velocity indicate?

A

A change in direction

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