Work, Energy and Power

Question 1

What is meant by the term Work Done?

Answer 1

The product of the force and distance moved by the force and the force in the direction of movement. Also known as energy transferred

Question 2

What is the Principle of Conservation of Energy?

Answer 2

The total energy of a closed system remains constant. Energy cannot be created or destroyed, only transferred from one form to another.

Question 3

What is a Closed System?

Answer 3

Any system in which all the energy transfers are accounted for. Energy or matter cannot enter or leave a closed system.