| Neil Arnott - 1827 - 692 lehte
...balance two pounds at a, or any where on the plane : and so of all other quantities and proportions. A horse drawing on a road where there is a rise of one foot in twenty, is really lifting onetwentieth of the load, as well as over-coming the friction and other resistance. Hence the importance... | |
| Charles Knight - 1831 - 324 lehte
...main point, as in a vehicle for travelling. Why should a road up a very steep hill, be made to wind or zig-zag all the way ? Because, to reach a given...longer. Why is it important to make roads as level as possiblc? Because, a horse drawing on a road where there is a rise of one foot in twenty, is really... | |
| John Timbs - 1832 - 314 lehte
...main point, as in a vehicle for travelling. Why should a road up a very tteep hitt, be made to wind or zig-zag all the way ? Because, to reach a given...greater, exactly as the road is made longer. Why is ti important to make roads as level as possible? Because, a horse drawing on a road where there ia... | |
| Leonard Dunnell Gale - 1838 - 308 lehte
...balQ», ance 3 pounds any where on the " plane cd, and so of all other qualities and proportions. 3. A horse drawing on a road where there is a rise of...one foot in twenty is really lifting one twentieth part of the whole load besides overcoming the friction and other resistance of the carriage ; hence,... | |
| Neil Arnott - 1838 - 596 lehte
...quantities and proportions, as already explained under the head of "Resolution of forces,"at page 99. ^ A horse drawing on a road where there is a rise of one foot in twenty, is really lifting one-twentieth of the load, as weft as overcoming the friction and other resistance of the carriage.... | |
| Neil Arnott - 1841 - 560 lehte
...quantities and proportions, as already explained under the head of " Resolution of forces," at page 69. A horse drawing on a road where there is a rise of one foot in twenty, is really lifting one-twentieth of the load, as well as overcoming the friction and other resistance of the carriage.... | |
| Samuel Griswold Goodrich - 1844 - 370 lehte
...balance two pounds at A, or any where on the plane ; and so of all other quantities and proportions. A horse drawing on a road where there is a rise of...foot in twenty, is really lifting one twentieth of his load, as well as overcoming the friction and other resistance of the carriage. Hence the importance... | |
| Samuel Griswold Goodrich - 1844 - 344 lehte
...balance two pounds at A, or any where on the plane ; and so of all other quantities and proportions. A horse drawing on a road where there is a rise of...foot in twenty, is really lifting one twentieth of his load, as well as overcoming the friction and other resistance of the carriage. Hence the importance... | |
| John Thomas Crossley - 1845 - 336 lehte
...balance two pounds at a, or any whereon the plane; and so of all other quantities and "proportions. A horse drawing on a road where there is a rise of...one twentieth of the load, as well as overcoming the 8 friction and other resistance of the carriage. Hence the importance of making roads as level as possible.... | |
| Neil Arnott - 1845 - 532 lehte
...quantities and proportions, as already explained under the head of " Resolution of forces," at page 86. A horse drawing on a road where there is a rise of one foot in twenty, is realy lifting one-twentieth of the load, as well as overcoming the friction and other resistance of... | |
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