First law of motion
If no external force is exerted then static object will be static and dynamic object will be dynamic.
According to First law of motion the change of position of objects is dependent on the force. Force is something that tends to changes the position of objects.
Static objects are these objects that have no velocity. Though, there have no real existence of static object in universe. In our universe everything is dynamic object. Though, something may seem as static, but in really everything is dynamic.
From first law of motion, we find an another definition of the phenomena so called inertia. Inertia is a property of objects to remain its original states. If it in a static state it will tends to be static or it it in a dynamic state it will tend to be dynamic forever.
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