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AS Physics > Vocab & Units > Flashcards

Vocab & Units Flashcards

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1
Q

Length

A

m

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2
Q

Mass

A

kg

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3
Q

Time

A

s

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4
Q

Force

A

N

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5
Q

Energy

A

J

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6
Q

Power

A

W

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7
Q

Newton derived

A

kg ms^-2

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8
Q

Joule derived

A

kg m^2 s^-2

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9
Q

Watt derived

A

kg m^2 s^-3

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10
Q

kilo & symbol

A

10^3 (K)

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11
Q

mega & symbol

A

10^6 (M)

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12
Q

giga & symbol

A

10^9 (G)

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13
Q

tera & symbol

A

10^12 (T)

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14
Q

peta & symbol

A

10^15 (P)

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15
Q

milli & symbol

A

10^-3 (m)

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16
Q

micro & symbol

A

10^-6 (μ)

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17
Q

nano & symbol

A

10^-9 (n)

18
Q

pico & symbol

A

10^-12 (p)

19
Q

femto & symbol

A

10^-15

20
Q

pressure derived

A

kg m^-1 s^-2

21
Q

Pressure

A

Pa

22
Q

Instantaneous Speed

A

The rate at which the distance travelled is changing at a moment in time

23
Q

Displacement

A

The distance travelled in a certain direction

24
Q

Velocity

A

The rate of change of displacement

25
Q

Vector Quantity

A

Has both Magnitude and Direction

26
Q

Scalar Quantity

A

Has only Magnitude

27
Q

Acceleration

A

The rate of change of Acceleration

28
Q

Free Fall

A

The only force acting on it is gravity

29
Q

Newton

A

The force that will give a mass of 1 kg an acceleration of 1 ms^2

30
Q

Moment

A

Magnitude of Force X Perpendicular distance of its line of action from the pivot

31
Q

Couple

A

A pair of forces that are equal in magnitude but act in opposite directions

32
Q

Torque of a couple

A

magnitude of one force X perpendicular distance between them

33
Q

Conditions for Equilibrium

A

Resultant Force is 0, Resultant Torque is 0

34
Q

Centre of Gravity

A

The point through which weight acts

35
Q

Pressure

A

Force per unit area

36
Q

Density

A

Mass per unit volume

37
Q

Joule

A

Energy transferred when a force of 1 newton moves 1 metre.

38
Q

Power

A

The rate at which energy is transferred

39
Q

Watt

A

1 joule per second

40
Q

Ductile Material

A

A material that stretches a lot beyond the elastic limit

41
Q

Brittle Material

A

A material that snaps when it reaches the elastic limit

42
Q

Polymeric Material

A

A material that does not show a linear behaviour

AS Physics (1 decks)

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