Equations and units Flashcards

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0
Q

Force

A

Mass x acceleration

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1
Q

Speed

A

Distance/ time

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2
Q

Acceleration

A

Change in velocity/ time

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3
Q

Weight

A

Mass x gravity

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4
Q

Turning Moment

A

Force x distance

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5
Q

Velocity

Units

A

m/s

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6
Q

Moment

Units

A

Nm

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7
Q

Time

Units

A

S

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8
Q

Acceleration

Units

A

m/s 2

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9
Q

Mass

Units

A

Kg

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10
Q

Weight

Units

A

N

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11
Q

Distance

Units

A

M

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12
Q

Gravitational field strength

Units

A

N/kg

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13
Q

Force

Units

A

N

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14
Q

Momentum

A

Mass x velocity

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15
Q

Power

A

Current x voltage

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16
Q

Voltage

A

Current x resistance

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17
Q

Charge

A

Current x time

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18
Q

Wave speed

A

Frequency x wave length

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19
Q

N

A

Sini

Sinr

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19
Q

Sinc

A

1

N

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19
Q

Density

A

Mass

Volume

20
Q

Pressure

A

Force

Area

21
Q

Pressure difference

A

Height x density x gravitational field strength

22
Q

Efficiency

A

Useful energy in

Useful energy out

23
Q

Work done

A

Force x distance

24
Q

Kinetic energy

A

2
1 x mass x speed
2

25
Q

Gravitational potential energy

A

Mass x g x height

26
Q

Energy transfer =

A

Work done

27
Q

Gravity

A

2

M/s

28
Q

Charge

A

C (coulombs)

29
Q

Time

A

S

30
Q

Density

A

3

Kg/m

31
Q

Wave speed

A

M/s

32
Q

Frequency

A

H

z

33
Q

Pressure

A

Pa

34
Q

Height

A

M

35
Q

Energy

A

J

36
Q

Electrical curent

A

A

37
Q

Workdone

A

J

38
Q

Radius

A

M or cm

39
Q

Potential difference

A

Volts

40
Q

Power

A

Watts

41
Q

Resistance

A

( )

42
Q

Mass

A

Kg

43
Q

Velocity

A

M/s

44
Q

Gravity

A

2

M/s

45
Q

Distance

A

M

46
Q

Time period

A

Seconds

47
Q

Wave lengths

A

M

48
Q

Volume

A

3

M

49
Q

Area

A

2

M

50
Q

Temperature

A

*c

51
Q

Temperature (absolute scale)

A

K