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Physics > All equations > Flashcards

All equations Flashcards

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1
Q

what is the equation for work done

A

work done = force x distance
E = f x d

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2
Q

what is the equation for gravitational potential

A

GPE = mass (kg) x gravitational field strength x height

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3
Q

what is the equation for kinetic energy

A

kinetic = 1/2 x mass (kg) x velocity^2
K = 1/2 x m x v^2

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4
Q

what is the equation for elastic potential

A

elastic = 1/2 x spring constant(N/m) x extension^2(m)

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5
Q

what is the equation for efficiency

A

efficiency = useful power output / total power input

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6
Q

what is the equation for charge

A

charge = current x time
Q = I x t

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7
Q

what are the equations for voltage

A

voltage = current x resistance OR
voltage = power / current
voltage = energy transfered / charge

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8
Q

what is the equation for resistance

A

resistance = voltage / current

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9
Q

what are the equations for current

A

current = voltage / resistance OR
current = charge / time

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10
Q

what are the equations for energy transferred

A

energy transferred = power x time OR
energy transferred = charge x voltage

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11
Q

what is the equation for the gradient

A

change in y / change in x

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12
Q

what is the equation for speed (m/s)

A

speed = distance travelled / time taken

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13
Q

what is the equation for acceleration

A

acceleration = (final speed - starting speed) / time

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14
Q

What is the equation for distance

A

distance = time x speed

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15
Q

What are the three power equations

A

P = work done / time
P = voltage x current
P = resistance x current^2

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16
Q

what is the equation for time period

A

t = 1 / frequency

17
Q

what is the equation for a moment

A

m = force x distance

18
Q

what is the equation for final velocity

A

final velocity^2 - initaial velocity^2 = 2 x acceleration x displacement

19
Q

what is the equation for weight relating mass and gravitational field strength

A

w = mass x gravitational field strength

20
Q

what is the equation for force relateing string constant and extension

A

f = spring constant x extension

21
Q

what is the equation for wave velocity

A

v = frequency x wavelength

22
Q

what is the equation for magnification

A

magnification = image height / object height

23
Q

what is the equation for the circumference of a circle

A

c = 2πr

Physics (13 decks)

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