# Unstoppable object vs. Unmoveable object

**URL:** <https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732>\
**Category:** Factual Questions\
**Created:** [April 1, 2003, 4:17pm UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732 "2003-04-01T16:17:57Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![scr4](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@scr4](https://boards.straightdope.com/u/scr4)\
**Post date:** [April 2, 2003, 2:06am UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732/21 "2003-04-02T02:06:14Z")

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A photon is an example of an unstoppable object. When it interacts with nearly immovable objects, it gets deflected or destroyed. (Unstoppable does not necessarily mean indestructable.)

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**Author:** ![shep\_proudfoot](https://avatars.discourse-cdn.com/v4/letter/s/90db22/32.png) [@shep\_proudfoot](https://boards.straightdope.com/u/shep_proudfoot)\
**Post date:** [April 2, 2003, 2:06am UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732/22 "2003-04-02T02:06:31Z")

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There is no such thing as an unstoppable force (outside of God) or an unmovable object. Thus the argument is rather silly.

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**Author:** ![Mephisto](https://avatars.discourse-cdn.com/v4/letter/m/48db29/32.png) [@Mephisto](https://boards.straightdope.com/u/Mephisto)\
**Post date:** [April 2, 2003, 2:09am UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732/23 "2003-04-02T02:09:42Z")

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> [@](#):
>
> \*Originally posted by zev\_steinhardt \*  
> \*\*The Marvel Comics version of this question would be Juggernaut vs. The Blob. That’s a fight I would have liked to have seen. \*\*

I know “me too” posts are frowned upon by many here, but in this case I really can’t help it: me too!

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**Author:** ![NotMrKnowItAll](https://avatars.discourse-cdn.com/v4/letter/n/6bbea6/32.png) [@NotMrKnowItAll](https://boards.straightdope.com/u/NotMrKnowItAll)\
**Post date:** [April 2, 2003, 2:11am UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732/24 "2003-04-02T02:11:01Z")

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Would not the universe in it entirety be considered an immovable object. I can’t image how one could even define movement of the universe as a whole…

A photon on the edge of the universe’s expansion could be considered an unstoppable object as well…

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**Author:** ![scr4](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@scr4](https://boards.straightdope.com/u/scr4)\
**Post date:** [April 2, 2003, 2:32am UTC](https://boards.straightdope.com/t/unstoppable-object-vs-unmoveable-object/165732/25 "2003-04-02T02:32:48Z")

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> [@](#):
>
> \*Originally posted by NotMrKnowItAll \*  
> **Would not the universe in it entirety be considered an immovable object. I can’t image how one could even define movement of the universe as a whole…**

If you can’t define movement, how can you define it to be immovable?

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