IYPT 2017, Задачи на турнира — Задача 14. Gee-Haw Whammy Diddle

Problems for the 30th IYPT 2017

Условие

A gee-haw whammy diddle is a mechanical toy consisting of a simple wooden stick and a second stick that is made up of a series of notches with a propeller at its end. When the wooden stick is pulled over the notches, the propeller starts to rotate. Explain this phenomenon and investigate the relevant parameters.

Решение

Внимание: Непълно решение

Това е открита изследователска задача — официални решения не се публикуват.


Оригинал в Архива: 2017.pdf