Chapter 5: WEP

Question 1

Define work done

Answer 1

Work Done is defined as the product of the force acting on an object and the displacement of the object in the direction of the force.

Question 2

Define power

Answer 2

Power is defined as the rate of work done

Question 3

State the principle of conservation of energy

Answer 3

Energy cannot be created or destroyed. It can only be converted from one form to another. Total energy in a system remains constant