Question

Define energy and its sources.​

Answer 1

Answer:

Energy is the capicity of a physical system to perform work. Energy exists in serval forms such as heat or mechanical energy, light, potential energy or other forms .

Answer 2

Answer:

Energy is the chapacati of a physical system to perform work . Energy exists in several from such as heat kinetic or mechanical energy light phonetical energy electrical energy or other forms ........ Energy sources could be classified as renewable and non renewable .