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Statement of a problem № 3243

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A small mass m tied to a non-stretchable thread moves over a smooth horizon- tal plane. The other end of the thread is drawn through a hole with constant velocity, Fig. 4.2. Show that the tension in the thread is inversely proportional to the cube of the distance from the hole.

Solution:
A small mass m tied to a non-stretchable thread moves over a smooth horizon- tal

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