! 



174 Mr. B. C. Laws on Strength of the Thin-plate Beam. 

 Now the elongation of the beam 



2a.T mKf.a 4.?/ 2 

 E.* ~ 6 "~ ia ' 



or 



*/o = 



2n/2 " 

 Fi<y. 3. 



(,) 



I -2 -3 *4- -5 



By assuming a value of m, £ may be obtained by com- 

 bining equations (//) and (c), thence by the aid of (a) and 



