Is kinetic energy conserved in the process ? If not from where does the conserved in the process? If not form where does the change come about ?

Is kinetic energy conserved in the process ? If not from where does th

1.	Is kinetic energy conserved in the process ? If not from where does the conserved in the process? If not form where does the change come about ?
Answer» SOLUTION :No the KE is increased and it comes from WORK DONE by man in the process.