37. SIR ISAAC NEWTON Born - 1643 Trinity College, Cambridge - 1665 Reflecting telescope – 1668 Lucasian Prof. of Maths. - 1669 ‘Principia Mathematica’ – 1687 President of Royal Society - 1703 ‘Opticks’ – 1704 Knighted - 1705 Died - 1727 Buried in Westminster Abbey 37
39. 39 LAWS of MOTION ‘Principia Mathematica’ – 1687 Three Laws: 1st Law BALANCED FORCES or INERTIA When no unbalanced force acts on an object, its state of motion will be unchanged. "Standing still."
40. 40 LAWS of MOTION 1st Law: Balanced Forces or 1nertia 2nd Law UNBALANCED FORCES or DYNAMICS Force = Mass x Acceleration “Pushing a bicycle vs Pushing a car."
41. 41 LAWS of MOTION 1st Law: Balanced Forces or 1nertia 2ndLaw: Unbalanced Forces or Dynamic2 3rd Law ACTION and REACTION To every force there is an equal and opposite force. “Forces come in pairs."
42. 42 LAWS of MOTION Three Laws: 1st Law: Balanced Forces or 1nertia 2nd Law: Unbalanced Forces or Dynamic2 3rd Law: Action and R3action