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Our current ideas of motion and rest were developed by Galileo Galilei and Sir Isaac Newton in the seventeenth and early eighteenth century.
These ideas developed by Galileo and Newton are the parts of Classical Physics or Newtonian Physics in which Newton had a very huge contribution including his laws of motion and his universal law of gravitation which will be discussed in this article.
Classical Physics is more complete in itself.
Modern Physics includes two major theories – Einstein’s theory of Relativity (or Relativistic Mechanics) and theory of quantum physics (including quantum mechanics and quantum field theory).Continue Reading →