Go to ...


Physics Fundamentals BLOG for K12

RSS Feed

Newton’s Law of Motion

Newton’s First Law of Motion doesn’t hold good for all frames of reference

Newton’s first law says that if the sum of all the forces acting on a particle is zero then the particle remains at rest or moves with constant velocity i.e. acceleration of that particle is zero. Have you observed hanging hand grips inside a bus or train compartment? Its weight is acting vertically downwards and