Motion Law 1.....: "A body continues to maintain its state of rest or of uniform motion unless acted upon by an external unbalanced force."
Software Law 1...: "Every Software Engineer continues his state of chatting or forwarding mails unless he is assigned work by manager."
Motion Law 2.....: "The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force"
Software Law 2...: "he rate of change in the software is directly proportional to the payment received from client and takes place at the quick rate as when deadline force is applied."
Motion Law 3.....: "To every action there is an equal and opposite reaction"
Software Law 3...: "For every Use Case Manifestation there is an equal but opposite Software Implementation."
and as a BONUS :)
Software Law 4...: "Bugs can neither be created nor be removed from software by a developer. It can only be converted from one form to another. The total number of bugs in the software always remains constant."