IYPT 1996, Задачи на турнира — Задача 9. Floor-polisher

9th IYPT (1996)

Заглавие в източника

Source: Turnaj mladých fyzikov : štatút a úlohy, 1996, 37—39
Selected shortly before Dec. 1995
Exemplary solutions for 1996 →

Условие

A device stands on two identical disks lying flat on a horizontal surface. The disks can rotate in opposite directions at a given velocity. Investigate how the value of a force providing a uniform motion this device along a horizontal plane depends on the velocity of this motion and the velocity of rotation of these disks.

Решение

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Оригинал в Архива: 1996.txt