"Retarding force" Quotes from Famous Books
 ... to the fact that resistance acts with such a retarding force on an object of small mass, and it is difficult to set up a rapid motion in an object of great density, lightness in flying machine structures has been considered, in the past, ...
— Aeroplanes • J. S. Zerbe***
... and faltering are the first steps of human progress. A step forward, followed by a long period of readjustment of the conditions of life; a movement forward here and a retarding force there. Within this irregular movement we discover the true course of human progress. One tribe, on account of peculiar advantages, makes a special discovery, which places it in the ascendancy and gives it power over others. It has obtained a favorable location for protection ...
— History of Human Society • Frank W. Blackmar |
