# physics equations

D=S x T
Distance= Speed x Time
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A = (V-U)/T
Acceleration = Change in Velocity / Time
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F = M x A
Force = Mass x Acceleration
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W = M x G
Weight = Mass x Gravitational Field Strength
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P = M x V
Momentum = Mass x Velocity
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GPE = M x G x H
Change in gravitational potential energy = Mass x Gravitational field strength x Change in Vertical Height
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KE = 0.5 x M x V^2
Kinetic Energy = 0.5 x Mass x (Speed)^2
7 of 30
V = X/T
Wave Speed = Distance / Time
8 of 30
E = F x D
Work Done = Force x Distance moved in the direction of the force
9 of 30
P= E/T
Power = Work done / Time Taken
10 of 30
E = Q x V
energy transferred = Charge Moved x Potential Diffrence
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Q = I x T
Charge = Current x Time
12 of 30
V = I x R
Potential Difference = Current x Resistance
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P = E / T
Power = Energy Transferred / Time Taken
14 of 30
P = I x V
Electrical Power = Current x Potential Diffrence
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P = I^2 x R
Electrical Power = Current^2 x Resistance
16 of 30
D = M / V
Density = Mass / Volume
17 of 30
F = K x X
Force exerted on a spring = Spring Constant x Extension
18 of 30
P = F / A
Pressure = Force Normal to Surface / Area of Surface
19 of 30
V^2 -U^2 = 2 x A x X
(Final Velocity)^2 -(Initial Velocity)^2 = 2 x Acceleration x Distance
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F = (MV-MU) / T
Force = Change in Momentum / Time
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E= I x V x T
Energy transferred = Current x Potential Difference x Time
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F = B x I x L
Force on a conductor at right angles to a magnetic field carrying a current = Magnetic Flux Density x Current x Length
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Vp / Vs = Np / Ns
Potential Difference Across Primary Coil / Potential Difference Across Secondary Coil = Number of turns in Primary coil / Number of Turns in Secondary Coil
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Vp x Ip = Vs x Is
For transformers with 100% efficiency, Potential difference across Primary coil x Current in primary coil = Potential Difference Across Secondary Coil x Current in Secondary Coil
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Q = M x C x θ
Change in thermal energy = Mass x Specific heat capacity x Change in Temperature
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Q = M x L
Thermal energy for a change of state = Mass x Specific Latent Heat
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P1 x V1 = P2 x V2
To calculate pressure or Volume fro gases of fixed Mass at constant Temperature
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E = 0.5 x K x X^2
Energy transferred in stretching = 0.5 x Spring Constant x (Extension)^2
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P = H x p x G
Pressure due to a column of liquid = Height of column x Density of liquid x Gravitational field strength
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## Other cards in this set

### Card 2

#### Front

Acceleration = Change in Velocity / Time

A = (V-U)/T

### Card 3

#### Front

Force = Mass x Acceleration

### Card 4

#### Front

Weight = Mass x Gravitational Field Strength

### Card 5

#### Front

Momentum = Mass x Velocity