Internal repulsion in metals

sgstudent

When metals are polarized, one end will be positive and the other end negative. So why won't the metal stretch out in the 2 ends? Like in this image: http://postimage.org/image/lb179qpo7/

sgstudent	Internal repulsion in metals Tweet When metals are polarized, one end will be positive and the other end negative. So why won't the metal stretch out in the 2 ends? Like in this image: http://postimage.org/image/lb179qpo7/