Formulae and Relationships 0.0 / 5 PhysicsEquations and FormulaeIGCSEEdexcel Created by: HannahCopnerCreated on: 07-05-18 12:29 What is the relationship between average speed, distance and time Average speed = distance / time 1 of 22 What is the relationship between acceleration and change in velocity? Acceleration = change in velocity / time 2 of 22 What is the relationship between force, mass and acceleration? Force = mass * acceleration 3 of 22 What is the relationship between momentum, mass and velocity? Momentum = mass * velocity 4 of 22 What is the relationship between density, mass, and volume? Density = mass / volume 5 of 22 What is the relationship between energy transferred and efficiency? Efficiency = useful energy output (from system) / total energy input (to system) 6 of 22 What is the relationship between force, distance and work? Work done = force * distance moved (in the direction of force) 7 of 22 What is the relationship between energy tranfer and work? Energy transferred = work done 8 of 22 What is the relationship between kinetic energy, mass and speed? Kinetic energy = 1/2 * mass * speed^2 9 of 22 What is the relationship between gravitational potential energy, mass, gravitational field stength and height? GPE = mass * GFS * change in height 10 of 22 What is the relationship between mass, wieght and GFS Weight = mass * GFS 11 of 22 What is the relationship between applied force, pressure and area over which it acts? Pressure = force / area 12 of 22 What is the relationship between moment of a force and distance from pivot? Moment = force * perpendicular distance from pivot 13 of 22 What is the relationship between power put into tranformer and the power it produces? Input power = output power 14 of 22 What is the relationship between wavespeed, frequency and wavelength? Wavespeed = frequency * wavelength 15 of 22 What is the relationship between charge, current and time? Charge = current * time 16 of 22 What is the relationship between voltage, current and resistance? Voltage = current * resistance 17 of 22 What is the relationship between electrical power, current and voltage? Electrical power = voltage * current 18 of 22 What is the relationship between voltage and turns in a transformer? Input voltage / output voltage = primary turns / secondary turns 19 of 22 What is the relationship between angle of incidence and refraction and refractive index? n = sin i / sin r 20 of 22 What is the relationship between refractive index and the critical angle? sin c = 1 / n 21 of 22 What is the equation for pressure difference? Pressure difference = height * density * G 22 of 22

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