Question

13.1 Explain why the unit of energy is the same as that of work
13.2 Define energy. ​

Answer 1

Answer:

13.1 Energy is the quantity required to perform work on or by an object. Energy is transferred to an object and work is done on the object or by the object.So, we can say that their units must be the same as the energy is what is lost or gained by doing work on an object or by the object.

13.2 the strength and vitality required for sustained physical or mental activity.