EQUATIONS Flashcards

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1
Q

weight = mass x gravity

A

W = m g

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2
Q

work done = force x distance

A

W = F s

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3
Q

force applied to a spring = spring constant x extension

A

F = k e

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4
Q

moment of a force = force x distance

A

M = F d

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5
Q

pressure = force normal to a surface/ area of that surface

A

p = f/a

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6
Q

speed = distance/time

A

v = s/t

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7
Q

Acceleration = change in velocity/time taken

A

a = change in v/t

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8
Q

resultant force = mass x acceleration

A

f = m a

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9
Q

momentum = mass x velocity

A

p = m v

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10
Q

kinetic energy = 0.5 x mass x (speed)2

A

Ek = 1/2mv2

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11
Q

Gravitational potential energy = mass x GFS x height

A

Ep = m g h

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12
Q

power = energy transferred/ time

A

P = E/t

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13
Q

power = work done/ time

A

P=W/t

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14
Q

Wave speed = frequency x wavelength

A

v = f ^Y

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15
Q

charge flow = current x time

A

Q = I t

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16
Q

Potential difference = current x resistance

A

V = I R

17
Q

power = potential difference x current

A

P = V I

18
Q

power = (current)2 x resistance

A

P = I2 R

19
Q

energy transferred = power x time

A

E = P t

20
Q

energy transferred = charge flow x potential difference

A

E = Q V

21
Q

density = mass/volume

A

p = m/v