Variables Equation Equations of Motion v = u + at s = ut + ½ at2 v2 = u2 + 2as Force, Mass and acceleration, force, mass F = ma Momentum weight , mass W = mg velocity, mass, momentum = mv Conservation of m1 u1 + m2 u2 = m1 v3 + Momentum m2 v4 Pressure area, pressure, force P = F/A density, height, pressure P = gh Boyle’s Law P1V1= P2V2 Newton’s Law of gravitational force between two Gravitation masses at different heights acceleration due to gravity and g = GM/ d2 g distance above a planet Moment of a force distance, moment, force Moment = Force x distance Torque force, distance, torque T = F x d (between forces) force, work, displacement W = F s Work, Energy velocity, mass energy Ek = ½ mv2 Kinetic Energy height, mass, energy Ep = mgh Potential Energy Conservation of Energy mgh = ½ mv2 Power time, power work P = W/t Percentage Efficiency Out / Power In x 100/1 Circular Motion time, angular velocity, theta = /t linear velocity, angular velocity, v = r radius acceleration, angular velocity, radius, a = r2
Variables Equation Equations of Motion v = u + at s = ut + ½ at2 v2 = u2 + 2as Force, Mass and Momentum acceleration, force, mass F = ma weight , mass W = mg velocity, mass, momentum = mv Conservation of Momentum m1 u1 + m2 u2 = m1 v3 + m2 v4 Pressure area, pressure, force P = F/A density, height, pressure P = gh Boyle’s Law P1V1= P2V2 Newton’s Law of Gravitation gravitational force between two masses g at different heights acceleration due to gravity and distance above a planet g = GM/ d2 Moment of a force distance, moment, force Moment = Force x distance Torque force, distance, torque T = F x d (between forces) Work, Energy force, work, displacement W = F s Kinetic Energy velocity, mass energy Ek = ½ mv2 Potential Energy height, mass, energy Ep = mgh Conservation of Energy mgh = ½ mv2 Power time, power work P = W/t Percentage Efficiency Out / Power In x 100/1 Circular Motion time, angular velocity, theta = /t linear velocity, angular velocity, radius v = r acceleration, angular velocity, radius, a = r2
2.%20Scientific%20notation,%20symbols,%20units%20and%20equations.docx