[填空题]
A (lightweight) palleb vopmhw9o3- ( o3t/xsc ab53.) ymglctc t0 t,qqf7 jor))f.w0tbivi1 has a load of identical cases of tomato paste (see Fig. 7–40), each of which is a cube of length l. Find the center of gravity in the horizontal plane qj)17r 0ii,0.boq w)fttvtcf, so that the crane operator can pick up the load without tipping it.$X_{CM}$ = l $Y_{CM}$ = l