Physics equations Flashcards

0
Q

Acceleration

A

Acceleration = change in velocity/time taken

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1
Q

Velocity

A

Velocity = distance travelled/ time taken

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2
Q

(Resultant) Force

A

Force = mass x acceleration

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3
Q

Work done

A

Work= force x distance

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4
Q

Power

A

Power = energy transferred/time

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5
Q

Volume

A

Volume = length x depth x breadth

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6
Q

Pressure

A

Pressure = force/area

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7
Q

Density

A

Density = mass/volume

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8
Q

Charge

A

Charge = current x time

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9
Q

Voltage

A

Voltage = energy transferred/charge

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10
Q

Resistance

A

Resistance = voltage/current

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11
Q

Frequency

A

Frequency = waves/second

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12
Q

Momentum

A

Momentum = mass x velocity

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13
Q

Moment

A

Moment = force x perpendicular distance from pivot

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14
Q

Voltage

A

V=IR

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15
Q

Wave speed

A

Wave speed = frequency x wavelength

16
Q

Angle of incidence

A

Angle of incidence = angle of reflection

17
Q

Refractive index

A

Refractive index (n) = sin(i)/sin(r)

18
Q

Refractive index

A

Refractive index (n) = 1/sin(critical angle)

19
Q

Power

A

Work done/ time taken

20
Q

Density

A

Density = mass/volume

21
Q

Pressure difference

A

Pressure difference = height x density x gravitational field strength

22
Q

Boyle’s law

A

p1 x V1 = p2 x V2

OR p1/p2 = V2/V1

23
Q

P1/T1 = P2/T2

A

P1/T1 = P2/T2

24
Q

Kelvin

A

0*C = 273K