Which of the following best defines the mechanical energy of a system?
PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy
Problem
Which of the following best defines the mechanical energy of a system?
(a) The difference between a system’s kinetic and potential energies
(b) The sum of all forms of energy—including internal and thermal—contained in a system
(c) The sum of a system’s kinetic and potential energies
(d) The kinetic energy of the system only, ignoring potential energy