Total mechanical energy is the sum of the kinetic and potential energy of a body or system of bodies:
$$E_m=E_k + U = const$$
where,
Em— total mechanical energy;
Ek— kinetic energy;
U— potential energy.
Total mechanical energy is the sum of the kinetic and potential energy of a body or system of bodies:
$$E_m=E_k + U = const$$
where,
Em— total mechanical energy;
Ek— kinetic energy;
U— potential energy.