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It's established within the MCU that Mjolnir can sit on a shelf in the helicarrier and can be lifted by an elevator. (Someone else can edit this question to include references, if they like.) And obviously it can stick to the ground. Plus, it is used to pin Loki without crushing him. So it has the incredible power to "freeze" itself (for lack of a better term) to various objects and vehicles (elevator, helicarrier, planet). It other words, it can stick to anything that is stationary in some normal frame of reference for people.

Can Thor stick it to objects that we don't normally think of as a frame of reference, or in a non-vertical orientation? For example, could he stick it to a baseball bat? A flagpole? The ceiling? Hulk? If not, when does something stop being horizontal? When does the floor stop being the floor and start being a wall or a pile of rubble?

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    Note that Mjolnir is at the very least semi-sentient... – Valorum May 5 '15 at 19:35
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    Citation Richard? – user16696 May 5 '15 at 19:40
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    Mjolnir can't be lifted, or by extension moved very easily (since most lateral movement includes slight upward motion). But if you put it on a glass table, you could shatter the table and it would fall. It doesn't stick to things, it just can't be lifted. – Nerrolken May 5 '15 at 19:42
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    @Nerrolken : I think the OP's question is legitimate. How exactly does Mjolnir behave with respect to gravity? – Praxis May 5 '15 at 23:16
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    @Praxis I don't think it's illegitimate, I think it's good. :) I was providing my answer to it, but since it's based on nothing but my observations and general understanding, I added it as a comment rather than an official answer. – Nerrolken May 5 '15 at 23:18
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No.

Mjolnir can't be lifted, or by extension moved, by an unworthy person. But beyond that restriction (and its ability to fly when summoned, etc), the hammer acts like any other hunk of metal. Touch it to the ceiling and let go, and it will simply fall. Put it on a glass table and then shatter the table, and it will fall. Put it on the end of a baseball bat and you'll drop the bat, because you are unable to lift Mjolnir, but upon dropping the bat, the hammer will simply fall.

We've seen the hammer behave normally, according to physics, when it interacts with outside forces. (For example, its path is altered when it impacts particularly heavy/dense/tough objects or people, and it "fell" into a resting position when Thor hung it on a coat rack in Thor: The Dark World.)

Remember the language of Odin's spell:

Whosoever holds this hammer, if he be worthy, shall possess the power of Thor.

The hammer isn't magically fixed to a given object, it's magically unwieldable/unholdable. If you try to pick it up, you simply can't. If it's sitting on your chest, you can't sit up. The spell is reacting to you and your worthiness, preventing you from lifting or moving it, not altering how the hammer behaves on its own.

When you put it in an elevator and the elevator moves, there's nothing magical about it. It's the same thing that's happening if you put an office chair in that same elevator: the object moves because the elevator is moving.

  • you have bold headers; I shall counter with a Neil DeGrasses Tyson quote! – KutuluMike May 5 '15 at 23:35
  • @MichaelEdenfield Blast! I shall have to up my game! :P Hahaha (Also, a free tip for your answer, which is already awesome: Thor mentions to Vision in Age of Ultron that Mjolnir isn't overly heavy, at least for an Asgardian war-hammer, as you would "lose too much power in the swing" if it were.) – Nerrolken May 5 '15 at 23:39
  • yes, but Thor and Vision are allowed to wield it, so they may not even know how heavy it really is. – KutuluMike May 5 '15 at 23:45
  • @Nerrolken: I understand the points you and MichaelEdenfield are making, but my problem is, I don't see what that answer means unless you can define what exactly "hold" "lift" and "wield" mean. Suppose you're on a large rotating space station to simulation gravity. Then I take it we agree you can't lift Mjolnir while standing in there. OK, now what if the station slows. When it's not rotating, there's no gravity, so I take it pushing Mjolnir through space is not "lifting". So at what simulated gravity does it become something you can't do? – ThePopMachine May 6 '15 at 0:07
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    @ThePopMachine Maybe, but even in that situation you would be lifting it, albeit without your knowledge. Bumping into it, gravity or no, is more incidental contact. I doubt anyone could lift it, with or without their knowledge. But obviously, this is splitting hairs of the first order. – Nerrolken May 6 '15 at 5:05
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Mjolnir doesn't actually "stick" to anything, at least not in the sense you seem to be implying.

What happens is, once Thor has let go of the hammer, no one else can move it from that spot, because they would effectively be "wielding" it. When not being carried by a person, the hammer behaves much like any other object in terms of obeying the law of gravity. (That excludes, for obvious reasons, those times when Thor is actively pulling the hammer towards himself.)

For example, if Thor pressed the hammer against a wall and let it go, it would drop to the floor. If that floor happened to be, say, on the helicarrier, the plane could still change altitude, and the hammer would stay on the floor as it went up and down. This concept is very briefly, albeit jokingly, mentioned at the end of Age of Ultron -- if the hammer were in an elevator, the elevator could move up and down with the hammer inside it.

However, if Thor were to place the hammer on top of a person, pinning them to the ground, that person could not push the hammer off of them. They couldn't do anything that would require the hammer to move at all. They could probably drag themselves out from under if, as long as the hammer itself remained stationary. If they did so, the hammer would just fall to the ground.

Note, however, that Mjolnir is also a war hammer, and thus is naturally very heavy. It's not clear just how heavy it is, since Thor's ability to lift it is magically enhanced, but according to one prominent physicist:

enter image description here

If you were to put it on a shelf, it would have a sizable amount of inertia keeping it in place, like any heavy object. If it were on a boat or plane that could tilt dramatically enough, it might slide off, but we've never really seen it sitting around anywhere for very long to know what that threshold is.


In another answer you bring up the idea of Mjolnir in space. In fact, there have been cases where people were able to move Mjolnir around in space, but once the hammer came close to Earth, gravity took over.

See this question:

Can Thor's hammer be wielded by anyone in outer space?

However, I suspect those rules don't apply in the MCU. Those examples largely rely on the idea that Mjolnir is "too heavy" to wield on Earth; in the MCU, that's not precisely the case: it's impossible for anyone, no matter how strong, to "wield" it if they're unworthy. This has obviously never happened in the MCU, so we just don't know.

  • Gah, 14 seconds! You beat me by literally 14 seconds! :P – Nerrolken May 5 '15 at 23:29
  • @MichaelEdenfield: See comment on other answer. – ThePopMachine May 6 '15 at 0:03

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