Which equation correctly relates mechanical energy, thermal energy, and total
energy when there is friction present in the system?
A. Ethermal
Ethermal
=
ME
B. Ethermal = Etotal - ME
C. Ethermal = ME - Etotal
D. Ethermal = Etotal + ME
![Which equation correctly relates mechanical energy thermal energy and total energy when there is friction present in the system A Ethermal Ethermal ME B Etherma class=](https://us-static.z-dn.net/files/da6/b44add3a640e26344abcef3421641cf3.png)