Equations Flashcards
What is the equation that links power, energy transferred and time?
Power = Energy Transferred ÷ Time
What is the equation that links work done, power and time?
Power = Work Done ÷ Time
What is the equation that links force, work done and distance moved?
Work Done = Force x Distance Moved
What is the equation used to calculate efficiency?
Efficiency = Useful Output Energy Transfer ÷ Total Input Energy Transfer
OR
Efficiency = Useful Power Output ÷ Total Power Input
What is the equation that links speed, time and distance travelled?
Distance Travelled = Speed x Time
What is the equation that links acceleration, time and change in velocity?
Acceleration = Change in Velocity ÷ Time
What is the equation that links acceleration, mass and resultant force?
Resultant Force = Mass x Acceleration
What is the equation used to calculate weight?
Weight = Mass x Gravitational Field Strength
What is the equation that links force, extension and spring constant?
Force = Spring Constant x Extension
What is the equation used to calculate charge flow?
Charge Flow = Current x Time
What is the equation that links potential difference, current and resistance?
Potential Difference = Current x Resistance
What is the equation that links energy transferred, potential difference and charge flow?
Energy Transferred = Charge Flow x Potential Difference
What is the equation that links power, current and potential difference?
Power = Potential Difference x Current
What is the equation that links power, resistance and current?
Power = Resistance x Current (squared)
What is the equation that links wave speed, wavelength and frequency?
Wave Speed = Frequency x Wavelength
