[填空题]
On an ice rink, two soc)p7-y7 x lbgw)+au9 otlg*fkaters of equal mass g+c 8nhq,tk * k+;jawfgrab hands and spin in a mutual circle once every 2.5 s. I;+t jk g8+ k,fcwhq*anf we assume their arms are each 0.80 m long and their individual masses are 60.0 kg, how hard are they pulling on one another? $\times 10^2$
