dimensional formulas Flashcards

1
Q

area

A

length x breadth

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2
Q

volume

A

length x breadth x height

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3
Q

mass density

A

mass / volume

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4
Q

frequency

A

1/ time period

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5
Q

velocity

A

displacement / time

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6
Q

acceleration

A

velocity/time

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7
Q

force

A

mass x acceleration

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8
Q

impulse

A

force x time

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9
Q

work / energy

A

force x distance

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10
Q

power

A

work / time

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11
Q

momentum

A

mass x velocity

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12
Q

pressure / stress

A

force / area

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13
Q

surface tension

A

force / lengths

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14
Q

surface energy

A

force / area

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15
Q

velocity gradient

A

velocity / distance

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16
Q

pressure gradient

A

pressure / distance

17
Q

pressure energy

A

pressure x volume

18
Q

coefficient of viscosity

A

force/area x velocity gradient

19
Q

angle

A

0

19
Q

trigonometric ratios

A

0

19
Q

angular velocity

A

angle / time

19
Q

angukar acceleration

A

angular velocity / time

20
Q

radius of gyration

A

distance

20
Q

moment of inertia

A

mass x ( radius of gyration ) 2

21
Q

angular momentum

A

moment of inertia x angular velocity

22
Q

angular frequency

A

2pie x frequency

23
Q

wavelength

A

distance

24
Q

kinetic energy

A

1/2 mv2

25
Q

potential energy

A

mghr

26
Q

gravitational constant

A

force x distence2 / mass2

27
Q

plancks constant

A

energy / frequency

28
Q

charge

A

current x time

29
Q

electric field

A

flectrical force / charge

30
Q

wavenumber

A

2pie / wavelength

31
Q

power of lens

A

( focal length )-1