What actually was the reason behind Newton's laws of motion?

Newton's third law comes in to play when a body applies force on an another body. Now, during the application of the force ,the contact between two body is such that parts in contact are close to each other by almost inter atomic / molecular distances. read more

Finding of correct laws of motion was a task of Royal Society of London during 1660s i.e. some twenty years before publication of Principia by Newton from same platform of Royal Society. Trend of determining laws of motion was started by Descartes who himself was inspired by Galileo. read more

The reason you don't fall through the ground, of course, is explained by Newton's third law of motion, which says that the surface of the Earth is pushing up against your feet at a force equal but opposite to your weight. read more

Sir Isaac Newton's three laws of motion describe the motion of massive bodies and how they interact. While Newton's laws may seem obvious to us today, more than three centuries ago they were considered revolutionary. Newton was one of the most influential scientists of all time. His ideas became the basis for modern physics. read more