Speed, Velocity, Terminal Velocity and Acceleration Flashcards

1
Q

What is velocity?

A

The speed of an object in a given direction.

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2
Q

Is speed scalar or vector?

A

Scalar

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3
Q

Is velocity scalar or vector?

A

Vector

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4
Q

What is average speed?

A

Average speed is what we usually use as speed because the speed of an object is rarely constant. The average speed is the total distance divided by the total time.

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5
Q

What is the average speed of walking?

A

1.5m/s

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6
Q

What is the average speed of running?

A

3.0m/s

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7
Q

What is the average speed of cycling?

A

6.0m/s

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8
Q

What is the equation for velocity?

A

Change in displacement divided by time

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9
Q

What is the equation for speed?

A

Change in distance divided by time

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10
Q

What is acceleration?

A
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11
Q

How do you find out the acceleration in a velocity-time graph?

A
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12
Q

What does a straight line mean in a velocity-time graph?

A
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13
Q

What does a straight line mean in a distance-time graph?

A
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14
Q

How do you work out speed in a distance-time graph?

A
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15
Q

What does a straight line along the x-axis mean on a velocity-time graph?

A
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16
Q

What does a positive gradient mean on a velocity-time graph?

A
17
Q

What does a negative gradient mean on a velocity-time graph?

A
18
Q

How do you find the displacement on a velocity-time graph?

A
19
Q

practice questions

A
20
Q

What is the equation using velocity, time and acceleration?

A
21
Q

practice questions

A
22
Q

What is the equation using displacement, velocity and acceleration?

A
23
Q

practice questions

A
24
Q

What is terminal velocity?

A

[check] Terminal velocity is the point at which a moving object reaches a constant speed

25
Q

What forces does terminal velocity involve?

A
26
Q

practice question

A
27
Q

What are resultant force diagrams?

A
28
Q

How do you draw a resultant force diagram?

A