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The aim of this work is to show that the first Newton’s law (law of inertia) is a manifestation of the law of conservation of angular momentum in the physical vacuum. The force of inertia arises in a body as a result of a change in the angular momentum of the body. The change in the angular momentum can emerge when changing the characteristics of spins of virtual photons created by quantum objects constituting the body. Due to the law of conservation of angular momentum a change in the angular momentum results in emergence of the processes compensating this change. One of these compensating processes is the emergence of force of inertia influencing the velocity of quantum objects constituting the body. Another compensating process is the emergence of rotation of these objects. Both these processes are observed in experiments. The force of inertia may arise in rotating bodies as rotation of body influences the characteristics of spins of virtual photons created by quantum objects of rotating body. If the force is directed along the vector of gravitation, the weight of rotating body is increased. If the force is directed against the vector of gravitation, the weight of rotating body is decreased. If the force is directed perpendicular to the vector of gravitation, the body is moving along the Earth surface. All these phenomena are observed in experiments.
Liudmila B. Boldyreva (Wed,) studied this question.