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Is it possible to have negative total energy?
Total energy refers to the sum of all forms of energy in a system. This includes potential energy, kinetic energy, thermal energy, and any other forms of energy present in the system.
Total energy is typically measured in joules (J), which is the standard unit of energy in the International System of Units (SI).
According to the law of conservation of energy, energy cannot be created or destroyed, it can only be converted from one form to another. Therefore, the total energy in a closed system remains constant.
The total energy of an object is directly related to its motion. As the object moves, its kinetic energy increases while its potential energy decreases, and vice versa. The total energy remains constant unless acted upon by an external force.
Work is the transfer of energy, and it can change the total energy of a system. When work is done on an object, its total energy increases, and when work is done by an object, its total energy decreases. However, the total energy of the system remains constant.