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astro2cosmos
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Does the concept of Inertial reference frame also applicable for 2nd & 3rd law of motion?
D H said:The 2nd and 3rd laws are only valid in inertial frames. One way to look at the first law is that it establishes the context for the 2nd law. The first law defines the concept of an inertial frame and defines the concept of momentum. The second law is also more definition than law; it defines the concept of force. The third law is a true scientific law.