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Science Revision > Motion > Flashcards

Motion Flashcards

1
Q

Give some examples of vector quantities

A

Force, displacement, acceleration, velocity

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2
Q

Give some examples of scalar quantities

A

mass, temperature, time, distance, speed

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3
Q

What is a scalar quantity?

A

Quantities that have magnitude but no sense of direction.

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4
Q

What is a vector quantity?

A

Quantities that have magnitude and a sense of direction.

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5
Q

Is distance a vector or scalar quantity?

A

scalar

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6
Q

Is speed a vector or scalar quantity?

A

scalar

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7
Q

Is displacement a vector or scalar quantity?

A

vector

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8
Q

Is velocity a vector or scalar quantity?

A

vector

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9
Q

Is acceleration a vector or scalar quantity?

A

vector

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10
Q

How do you calculate distance on a velocity-time graph?

A

The area

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11
Q

What is the gradient on a distance-time graph?

A

Velocity

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12
Q

What is the gradient on a velocity-time graph?

A

Acceleration

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13
Q

How do you calculate acceleration?

A

Change in velocity
_______________
Time

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14
Q

How do you calculate velocity?

A

Distance
_______

Time

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15
Q

The size of a braking force affects the braking distance. What other factors affect the breaking distance?

A

Speed/velocity
Condition of brakes / road surface / tyres
Weather

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16
Q

How do you calculate work done?

A

Force X distance

17
Q

What does a distance time graph with a horizontal line mean?

A

Stationary

18
Q

What does a distance time graph with a diagonal line mean?

A

Travelling at a constant speed

19
Q

What does a distance time graph with a curved line mean?

A

Accelerating/decelerating

20
Q

What does a velocity time graph with a horizontal line mean?

A

Travelling at a constant speed

21
Q

What does a velocity time graph with no line mean?

A

Stationary

22
Q

What does a velocity time graph with a diagonal line mean?

A

Accelerating

23
Q

How do you find a gradient of a curve?

A

Use a tangent

24
Q

What is the typical speed of a person walking?

25
Q

What is the typical speed of a person running?

26
Q

What is the typical speed of a person cycling?

27
Q

What is the typical speed of a car?

28
Q

What is the speed of sound?

A

330-340 m/s

29
Q

A horizontal line on a distance-time graph tells you what about the motion of an object?

A

stationary

30
Q

What are the units of acceleration?

31
Q

If an object has negative acceleration what does this mean?

A

decelerating

32
Q

How long would it take me to travel 200m if my speed is 2m/s?

33
Q

If an object has negative velocity what does this mean?

A

travelling in the other direction

34
Q

In physics, what does the symbol “u” represent?

A

initial velocity

35
Q

In physics, what does the symbol “v” represent?

A

final velocity

Science Revision (59 decks)

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