PHILOSOPHICAL 



TRANSACTIONS. 



XVI. Of the Rotatory Motion of a Body of any Form whatever, 

 r^ revolving, without Reflraint, about any Axis pajjing through 

 its center of Gravity, By Mr, John Landen, F.RS. 



\ 



Rpad March 17, 1785. 



A SPHERICAL body, uniformly denfe, it is obvious, 

 will, if made to revolve freely about any axis paffing 

 through its center, continue to revolve about the fame axis; 

 and, by what I have fhewn in the PhiJofophical TranfaBions 

 for the year 1777, it appears, that a cylinder of uniform den- 



fity, whofe length is to its radius as v/3 to i, will do the 



fame. It likewife appears, by my Mathematical Memoirs, 



Vol. LXXV. T t that 



