acted on by small Forces. 213 
26 1280 A 432 } 4 
SSE i Tagalalgin. 2.5.7.6 ane 3 ate 
1120 4 60 2_ 8 4 
SS “4 + 9.11.13 ae 5 Rte 
112 pye_ 12 bo 8 re. 
135 0517 13 17 
Hence zk (c) + k¥ (©) 
Li 1280 ’ 432 cf rae: f 
hi asasce tt VicRCR TELE ght 55 he 
1120 A 60 . EVO 
+h) sip tparas sag Rh 
112 — 210 z 
+h {tg Ir saz ster ee 
(21.) The equation 5kx (c) + kw (c) +e (c) = (oa ; kr® gives the 
following, 
1280 : 432 *3 
Nome ener SN 5 errant CU ap AC e a alee eas =; at Pgs Sena 
1120 GOrts glk ut dit 
it erate RE ae bag ainllly 
112 : Ee) 
aia — RE 0 
13.15.17 
es papi tF=0. 
From these 7 = 2:12 ntl 
AWS yp 
— 12 Fr’ . 3.13 £E 
25° bo) MMGna Ae 
27.16 Fr ‘Se Ex? 99 -D 
11) 1Sn bua eel 2 
96 Pl yaa Bele Dr? 15 B 
5.18 VA PMEEIL Deep OR ke 
R= 
