[填空题]
A baseball (m=140kg) traveling 32h0+,6oax:pnfzeu) c bm/s moves a fielder’s glove backwaz9wak b y+ngjqnaf2i2l6,1hak5 7tx4rd 25 cm when the ball is caught. What was the average force exerted by the ball on the glovew9 n+yh724zlkk 5ag1 tbqa2ix,nafj 6? N
