 | Thomas Exley - Chemistry - 1829 - 532 pages
...1 1 . State of a body at any time is its rest or uniform motion in its direction at that time. 12. Force is that which changes, or tends to change, the state of any body or portion of matter. 13. When a force acts at an instant only, it is called an impulse ;... | |
 | William Holms Chambers Bartlett - Mechanics - 1850 - 662 pages
...tangent BC, and to preserve the velocity which it had at B. § 28. — A force has been defined to be that which changes or tends to change the state of a body in respect to rest or motion. Weight and Heat are forces. A body laid upon a table, or suspended from... | |
 | Harvey Goodwin (Bishop of Carlisle.) - 1851 - 414 pages
...either remain at rest or else move uniformly in a straight line. 2. We have already spoken of force as that which changes or tends to change the state of a body as regards rest or motion, and it might therefore seem unnecessary to state that a particle not acted... | |
 | William Holms Chambers Bartlett - Mechanics, Analytic - 1853 - 462 pages
...with uniform motion, its inertia is not called into action. § 29. — A force has been deftned to be that which changes or tends to change the state of a body in respect to rest or motion. Weight and Heat are examples. A body laid upon a table, or suspended from... | |
 | William Holms Chambers Bartlett - Astronomy - 1855 - 646 pages
...tangent BO, and to preserve the velocity which it had at B. § 28. — A force has been defined to be that which changes or tends to change the state of a body in respect to rest or motion. Weight and Heat are forces. A body laid upon a table, or suspended from... | |
 | William Holms Chambers Bartlett - Mechanics, Analytic - 1866 - 520 pages
...with uniform motion, its inertia is not called into action. § 29. — A force has been defined to be that which changes or tends to change the state of a body in respect to rest or motion. Weight and Elasticity are examples. A body laid upon a table, or suspended... | |
 | George Pirie - Dynamics, Rigid - 1875 - 236 pages
...be equally fundamental. One cannot be conceived except as acting on or being acted on by the other. Force is ' that which changes or tends to change the state of rest or motion of matter ;' or as Newton's first law of motion might be expressed, ' without force... | |
 | Julius Ludwig Weisbach - Mechanics, Applied - 1878 - 748 pages
...the same — as should be. /. — Inertia— Work of Inertia. — A force in general may be denned as that which changes or tends to change the state of a body or mass, whether in respect to rest or motion. There can be no action of a force without an equal and... | |
 | Sidney Luxton Loney - Dynamics - 1891 - 230 pages
...is infinitely small in all its dimensions. The Mass of a body is the quantity of matter in the body. Force is that which changes, or tends to change, the state of rest or uniform motion of a body. 53. These definitions may appear to the student to be vague, but... | |
 | Frank Eugene Kidder - Architecture - 1892 - 1058 pages
...the laws of mechanics which relate to works of human art; such as beams, trusses, arches, etc. Kest is the relation between two points, when the straight...properly, but only with the laws of their action. Kquilibrium is that condition of a body in which the forces acting upon it balance or neutralize each... | |
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Motion is the relation between two points, when the straight line joining them changes in length or direction, or in both. A body moves relatively to a point, when any point in the body moves relatively to the point first mentioned. 
