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Newton's second law describes the affect of net force and mass upon the acceleration of an object. Often expressed as the equation a = Fnet/m (or rearranged to Fnet=m*a), the equation is probably the most important equation in all of Mechanics.
Learn the formula and concept of Newton's second law of motion, which states that the acceleration of an object depends on the net force and mass. See how to apply the law to different situations and solve problems with examples and FAQs.
Learn how to apply Newton's second law of motion, a = Σ F m, to calculate the acceleration of an object for a given net force and mass. See how to deal with forces in different directions, angles, and components.
Jul 16, 2024 · Learn what Newton's Second Law of Motion means and how it relates to force, mass and acceleration. Find out how to apply this law to real-world situations and see examples of Newton's First and Third Laws of Motion.
Newton’s second law of motion states that the acceleration of a system is directly proportional to and in the same direction as the net external force acting on the system, and inversely proportional to its mass.
By Newton's second law, the first term is the total force upon the first body, and the second term is the total force upon the second body. If the two bodies are isolated from outside influences, the only force upon the first body can be that from the second, and vice versa.
Learn the formula for net force, mass and acceleration, and see examples of how they affect each other. Watch a video and read comments from other learners on Khan Academy.
