3.3 - Work, Energy and Power

Question 1

What is the Word Done?

Answer 1

The product of the force and the distance moved by the force in the direction of movement

Question 2

What is a Closed System?

Answer 2

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

Question 3

What is the Principle of Conservation of Energy?

Answer 3

It states that the total energy in a closed system remains constant. Energy can neither be created nor destroyed, it can only be transferred from one store to another