The total energy of a system is always conserved irrespective of whether external forces act on the system.

Q. The momentum of a system is always conserved, irrespective of the net external force acting on the system.

Q. Total energy of a system is always conserved, no mater what internal and external forces on the body are present

Q. State whether the given statement is correct or not.
Total mechanical energy of a system is always conserved no matter what type of internal and external forces on the body are present.

Q. Kinetic energy of a system is always conserved, no matter what internal and external forces on the body are present