Physics Equations Flashcards
What equation links distance, speed and time?
speed= distance/time
What equation links kinetic energy, speed and mass?
kinetic energy = 0.5 x mass x speed^2
What equation links gravitational field strength, gravitational potential energy, mass and height?
gravitational potential energy = gravitational field strength x mass x height
What equation links force applied to spring, extension and spring constant?
Force applied to spring = spring constant x extension
What equation links energy transferred, power and time?
power =energy transferred / time
What equation links work done, time and power?
power =work done / time
What equation links total energy input transfer, useful output energy transfer and efficiency?
efficiency = useful output energy transfer / total input energy transfer
What equation links efficiency, total power input and useful power output?
efficiency = useful power output / total power input
What equation links current, charge flow and time?
charge flow = current × time
What equation links current, resistance and potential difference?
potential difference = current × resistance
What equation links potential difference, power and current?
power = potential difference × current
What equation links resistance, power and current?
power = (current)2 × resistance
What equation links energy transfer, time and power?
energy transferred = power × time
What equation links potential difference, energy transfer and charge flow?
energy transferred = charge flow × potential difference
What equation links mass, density and volume?
density = mass / volume
What equation links weight, gravitational field strength and mass?
weight = mass × gravitational field strength
What equation links force, distance, and moment of a force?
Moment of a force = force x distance
What equation links force normal to a surface, area of that surface and pressure?
Pressure = force normal to a surface / area of that surface
What equation links time taken, acceleration and change in velocity?
Acceleration = change in velocity / time taken
What equation links mass, acceleration and resultant force?
Resultant force = mass x acceleration
What equation links mass, velocity and momentum?
Momentum = mass x velocity
What equation links frequency, wavelength and wavespeed?
Wavespeed = frequency x wavelength
What equation links force, distance and work done?
work done = force x distance