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Does Newton's second law of motion always hold good??
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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. ... This is often written in the more familiar form: Fnet = ma.
Newton's second law is the relation "F=ma" i.e. the net force on an object is proportional to acceleration for a constant mass object. The application of this law is limited by the fact that the mass of an object changes as it approaches to the speed of light.
Newton's 1st law describes about inertia. Whereas newton's 3rd law says about action and reaction forces.
Each law has its own importance. The first law has introduced us with a term called inertia while the 3rd law has huge application in rocket science. The second law is extremely useful in the study of motion of bodies
Newton's second law is the relation "F=ma" i.e. the net force on an object is proportional to acceleration for a constant mass object. The application of this law is limited by the fact that the mass of an object changes as it approaches to the speed of light.
Newton's 1st law describes about inertia. Whereas newton's 3rd law says about action and reaction forces.
Each law has its own importance. The first law has introduced us with a term called inertia while the 3rd law has huge application in rocket science. The second law is extremely useful in the study of motion of bodies
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