The page shows you the total energy equation to calculate the total energy exist in a system. As pet the total energy formula to find the total energy, square the velocity and multiply it with the mass of the system. Add the obtained value with the internal energy. Now divide the resultant value by 2. The following will hopefully serve as a reminder of Physics 101. Force Pressure Energy. Force: Force is described as what is required to change velocity or acceleration of an objects - recall that acceleration is any change in vector. The formula for force is rather simple:

Domestic uses of electricity and safety Energy transfers and the National Grid , including recalling and applying equations for Power Electricity Revision notes