Hard Disk Monitoring

HDD 2.5" + enclosure case USB3.0 When the Windows eject "safely remove hardware" command is completed and the drive letter "E:" disappears from Windows, at that moment what is the situation of the 2.5" HDD in relation to the position of the platters and heads? after eject windows led case ON not flash

my 3 hdds 2013 models Seagate ST500LM030 e WDC WD10JPVX-08JC3T5, APPLE HGST HDD HTS541010A99E662