Which one of the following statements is not true about Newton's second law of motion $\vec{F} = m \vec{a}$ ?

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The second law of motion is a vector law.

The second law of motion is consistent with the first law.

The second law of motion is not a local law.

The second law of motion is applicable to a single point particle.

answer is D.

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Detailed Solution

The second law of motion is a local law which means that force F at a point in space (location of the particle) at a certain instant of time is related to $\vec{a}$ at that point at that instant. Acceleration here and now is determined by the force here and now, not by any history of the motion of the particle.

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