गतिज ऊर्जा और स्थितिज ऊर्जा को संयुक्त रूप से ऊर्जा का कौन सा रूप कहा जाता है?

Which of the following represents an object possessing kinetic energy?

The total mechanical energy of a system is defined as the sum of its:

A light body and a heavy body have equal momentum. Which one has greater kinetic energy?