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Which of the following Newton's law(s) is/are not applicable in non-inertial reference frame.

1. Newton's first law
2. Newton's second law
3. Newton's third law
4. All of these

Correct answer: All of these

Solution

Newton’s laws are formulated for inertial frames. In a non-inertial frame, extra pseudo-forces must be introduced, so the standard forms of the first, second, and third laws are not directly applicable.

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