On Earth, no. Air resistance would slow the feather way down.
However, dropped on somewhere without an atmosphere (like the moon), they would reach the ground at the same time.
some guy drop nail on the ground and pick it up but the nail staid on the magnet
A finger nail is roughly 1 cm, but a nail of the kind you use with a hammer can be anything from half a centimeter to at least 5, probably longer.
if a nail has any iron in it, it will be attacted to a magnet. Most nails are made of steel, a substance created from iron.
Because firstly, the fuse blew for a reason and it should not be replaced until the fault has been repaired, and secondly, if it would have blown again, the coin or nail would not work the same way a fuse would; the nail/coin/whatever would not burn out and the entire system is unprotected from a surge.
When we would nail it, it would not be nailed,it would open because there is no friction.
They weigh the same.
They are both 1 Kilo. So, no.
As the rust expands the nail will get slightly bigger then reach a point when starts to disintergrate.
some guy drop nail on the ground and pick it up but the nail staid on the magnet
Nail it to the ground or cement it to the ground.
It would have nail polish on it.
No, obviously the larger nail is bigger so it would have more mass.
That would depend on how big the nail was and what it was made out of.
a severe nail condtion that would prevent a nail treatment
The Nail art
Would be the nail root, because it is the potion of the nail that is buried in a fold of skin.
A nail made of liquid or gas would not be very effective. The hammer would go right through it. So, nails have to be solid.