1 8 The Cause of Life and Motion 



beyond certain relative limits, and therefore, no 

 body can exist whose component elements are in 

 contact. 



Within a body of matter, certain of the forces 

 are neutralized, while those 'which vibrate con- 

 sistently with the body's atomic and molecular 

 structure, hold its elements in suspension. By 

 the quick vibrations of the sustaining forces, the 

 body is allowed a free movement, but its velocity 

 will be limited by that of the vibrations, beyond 

 which it cannot be impelled without being dis- 

 sipated. 



Those forces which are neutralized or deprived 

 of a full action within the body, do not loose any 

 part of their total energy, but by the measure 

 lost within the body, just so much is it increased 

 about the body's exterior. This energy of the 

 forces about the surface and vicinity of a body, 

 gives rise to two phenomena, one of which is 

 called inertia, or that force which resists the 

 movement df a body, and the other of which is 

 called the attraction of gravity, or that force 

 which impels or tends to impel bodies toward 

 one another. 



The force of gravity, or more correctly the 

 force of displacement, is greater in proportion as 

 the body and its density is greater, but the pro- 

 portion does not hold the same in differently 

 .constituted bodies, even when of equal densities. 



