Fahie, J. J. (John Joseph), 1846-1934 · London, J. Murray · leaf 401
n is uniform, and the distancetravelled horizontally may, therefore, be taken as ameasure of the time that has elapsed since motionbegan, Salviati proves that on this assumption the pathdescribed has geometrical properties which identifyit with the curve known as the parabola. Hisdemonstration is… … Fig. 9. Let A B represent a horizontal line or planeplaced on high, on which let a body be carriedwith an equable motion from A towards B ; andthe support of the plane being taken away at B,let the natural motion downwards due to the bodysweight come upon it in the direction of the perpen-dicular B…