What is Physics,Explain?

    Physics is that branch of science which
    deals with the study of properties of matter,
   energy and their mutual relationship.
In Physics we find answers to questions as to
why the Sun always rises in the East and sets in the Wests?
How do motorcar move?
How does an aeroplane fly in the sky?
Why do land and see breeze blow in the coastal areas?  
How sound is produced when we speak?
How our image is seen in a mirror?
How room is lighted by just pushing an elctric switch?