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Physics > Formulas > Flashcards

Formulas Flashcards

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

Density formula

A

Mass
______
Volume

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5
Q

Hooke’s law (Force)

A

Spring constant x Extension

F= kx

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6
Q

Force

A

Mass x acceleration

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7
Q

Moment formula

A

Force x perpendicular distance from pivot

Nm= N x m

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8
Q

Momentum formula

A

Mass x Velocity

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9
Q

Impulse formula

A

Resultant force x Time

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10
Q

Newtons 2nd law (Force and momentum)

A

Resultant force =
Change in momentum
_________________
Time

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11
Q

Efficiency formula (energy)

A

Efficiency =
Useful Energy
______________x 100%
Total Energy

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12
Q

Work done formula

A

force x distance

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13
Q

Power formula (Energy)

A

Energy transferred
____________________
Time taken

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14
Q

Kinetic Energy formula

A

1/2 mass x velocity(2)

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15
Q

Gravitational Potential Energy formula

A

(mgh)
Mass x gravity x height

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16
Q

Efficiency formula (power)

A

Useful power
______________x 100%
Power input

17
Q

Pressure formula

A

Force
_______
Area

18
Q

Pressure formula (in liquids)

A

roh (density) x gravity x height

19
Q

Graph gradient formula

A

Rise
_____
Run

20
Q

Resultant force formula

A

Change in momentum
_______________________
Time

21
Q

Energy transferred formula

A

Mass x Specific heat capacity x Change in temp
(mcΔT)

22
Q

Thermal capacity formula

A

Mass x specific heat capacity

23
Q

Specific heat capacity formula

A

Heat supplied
_______________________
Mass x change in temp

24
Q

Specific latent heat formula

A

Heat supplied
_______________
Mass

25
Q

Energy formula (Specific latent heat)

A

Mass x Specific latent heat

Physics (17 decks)

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