8TE1NO ON BUI VE. -Y. 



11 (1) we have ultima: 



' 

 -/< ...(3), 



i IT 



lie the force which acts on the string at the ci 

 therefore the value of T at this point; an<i the 



and t be the corresponding values of 0; 



th.-n T'.- 



T 



thcn-f..iv - 



=l-d* -JTM . T 

 T 



-i + constant; 

 whole pressure on the curve 



the string about to move from A to B, we hare 



my&sm0 + /J2ot-0 (5). 



sin W-s*^ a*0-o (6). 



