n which frames of reference is the law of inertia satisfied? What is the name of the frame of reference in which

In which frames of reference is the law of inertia satisfied? What is the name of the frame of reference in which the law of inertia is not fulfilled?

The law of inertia is fulfilled in inertial reference systems. Reference systems in which the law of inertia is not fulfilled are called non-inertial.

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