किसी वस्तु की गतिज और स्थितिज ऊर्जाओं के योग को क्या कहा जाता है?

Raising an object from the ground results in the storage of which type of energy?

Positive work is done by a force when the displacement of the body is:

A box is pushed with a force of 20 N across a horizontal floor for a distance of 5 m in the direction of the force. What is the work done by the force?