Hooke's Law

A spring is attached horizontally. When a force pulls the spring to the right, The spring does not move in translation but increases in length. This increase in length is not always the same. Well, Robert Hooke studied this phenomenon, then formulated it as Hooke's Law.

As an illustration, A spring has a length of 7 cm. When a force of 32 N pulls this spring horizontally, its length becomes 7.8 cm. The question is, When this spring is installed vertically, then an object of mass 6 Kg is added to the system, what is the length of the spring in equilibrium?

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