The first law of motion: An object remains in a state of rest or of uniform motion in a straight line unless acted upon by an external unbalanced force. Momentum refers to the momentum of an object is the product of its mass and velocity and has the same direction as that of the velocity. It’s S.I. unit is kg m/s. Extramarks is an app that provides students with the best study material online for force and laws of motion. If you are looking for study material for Force and Laws of Motion, this app is your saviour, with all the question papers integrated as per the CBSE guidelines and answer keys. Online learning is the best solution when exams are near or in general as well. Convenience matters. E-learning is cost-effective as well. With an aim to prepare you thoroughly, you are not only provided online coaching by the top faculties but have also compiled extensive study material with their help so as to make sure that you gain in-depth knowledge about each topic. The study material for Force and Laws of Motion includes concepts, illustrations, objective solved examples, subjective solved examples and exercises for each topic to help the students grasp the fundamental concepts properly. Basically, it includes all the information required to prepare for the board exams. Get access to all the data and the answer keys. Most of the students do not utilize their leisure hours well. They are either watching the TV or playing some game on their mobiles. Mobile app learning is the wisest choice for a student who has a debilitating level of concentration.