Physics Equations Flashcards
Equation which links:
Power
Potential difference
Current
P = VI
Equation which links:
Useful power output
Total power input
Efficiency
Efficiency = useful power output ➗ total power input
Equation which links:
Force
Moment of a force
Distance (normal to direction of force)
M = Fd
Equation which links:
Acceleration
Time taken
Change in velocity
a = Δv/t
Equation which links:
Current
Resistance
Power
P = (I^2)R
Equation which links:
Current
Potential difference
Resistance
V = IR
Equation which links:
Speed
Time
Distance travelled
s = vt
Equation which links:
Mass
Density
Volume
ρ = m/V
Equation which links:
Power
Time
Energy transferred
P = E/t
Equation which links:
Energy transferred
Time
Power
E = Pt
Equation which links:
Gravitational field strength
Gravitational potential energy
Mass
Height
Ep = mgh
Equation which links:
Acceleration
Resultant force
Mass
F = ma
Equation which links:
Momentum
Mass
Velocity
p = mv
Equation which links:
Wavelength
Frequency
Wave speed
v = f λ
Equation which links:
Distance
Force
Work done
W = Fs
Equation which links:
Charge flow
Time
Current
Q = It
Equation which links:
Charge flow
Energy transferred
Potential difference
E = QV
Equation which links:
Pressure
Force normal to a surface
Area of that surface
p = F/A
Equation which links:
Force applied to a spring
Extension
Spring constant
F = ke
Equation which links:
Work done
Time
Power
P = W/t
Equation which links:
Speed
Mass
Kinetic energy
Ek = ½mv^2
Equation which links:
Efficiency
Useful output energy transfer
Total input energy transfer
Efficiency = useful output energy transfer ➗ total input energy transfer
Equation which links:
Mass
Gravitational field strength
Weight
W = mg
