(It is assumed here that the mass m is constant – see below.) In an inertial reference frame, the vector sum of the forces F on an object is equal to the mass m of that object multiplied by the acceleration a of the object: F = m a. In an inertial frame of reference, an object either remains at rest or continues to move at a constant velocity, unless acted upon by a force. These three laws have been expressed in several ways, over nearly three centuries,and can be summarised as follows: More precisely, the first law defines the force qualitatively, the second law offers a quantitative measure of the force, and the third asserts that a single isolated force doesn’t exist. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces. Newton’s laws of motion are three physical laws that, together, laid the foundation for classical mechanics. PHYSICS PROJECT REPORT ON NEWTON'S LAWS OF MOTION PHYSICS PROJECT REPORT ON NEWTON’S LAWS OF MOTION
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