Articles, Energy, Physics, Mathematics.
system (thus including kinetic and potential energies). For convenience I will write 𝜕ₜ to denote a derivative with respect to time (𝜕ₜ = 𝑑/𝑑t) Our goal now is to find an expression for the total energy 𝐸. And we can find it by making use of eq. 1 and eq. 2 by first re-writing Newton’s Second Law