Читать книгу The Notebooks of Leonardo Da Vinci. Complete - Leonardo da Vinci - Страница 386
374
ОглавлениеOF DRAWING.
When a man who is running wants to neutralise the impetus that carries him on he prepares a contrary impetus which is generated by his hanging backwards. This can be proved, since, if the impetus carries a moving body with a momentum equal to 4 and the moving body wants to turn and fall back with a momentum of 4, then one momentum neutralises the other contrary one, and the impetus is neutralised.
Of walking up and down (375-379)