180 OUTLINES OF NATURAL PHILOSOPHY. 



vertical through the centre of gravity of the 

 whole) with the depressed part, the equilibrium is 

 stable, and the body will resume its former posi- 

 tion. 



265. The same things being supposed, if the 

 line of support is on the same side of the line of 

 pressure with the elevated part, the equilibrium 

 is unstable, and the body will overset. 



BOSSUT, Hydrod. torn. i. 



266. If a body float on the surface of a fluid, the 

 force tending to make it revolve about its centre of 

 gravity is equal to the weight of the body, acting 

 by a lever, the length of which is the horizontal 

 distance between the line of pressure and the line 

 of support. 



ATWOOD, Phil Trans. 1796, p. 61. 



When this distance is nothing, or when the two cen- 

 tres are in the same vertical line, the force tending 

 to make the body revolve, is equal to as already 

 stated, 262. 



When the body is any how inclined from the state of 

 equilibrium, and when the line of support is on the 

 same side of the centre of gravity with the depressed 

 part, the lever by which the weight acts is account- 

 ed affirmative, and the force tends to establish the 

 equilibrium. 



When 



