An object at rest (like the egg sitting on the tube) should stay that way unless a force pushes or pulls it (your hand striking the pie pan). Then another force—gravity—took charge and pulled the egg straight down into the glass.
Unless a force pushes or pulls an object at rest (like the egg on the tube), it should stay that way (your hand striking the pie pan). The egg was then dragged straight down into the glass by another force, gravity.