[Enigmatic Entity]

I randomly thought up this the other day; what do you think would happen? 

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[TrashMan]

can't open...

[Kosh]

If m= infinity then it would create a blackhole wouldn't it?

[Flipside]

Physics suggests bending, however, you cannot have half of infinity, and a curve which is infinitely long would be an apparent line at any single point, so I'd say, visually, nothing would happen.

[watsisname]

As already stated, there are several conceptual issues that arise from the uses of infinity here.

You've got this apparatus located an infinite distance away from an object with infinite mass, which in itself is quite perplexing.  An object with infinite mass would imply a black hole of infinite size, thus the entire universe as depicted would lie within an event horizon.  That said, I don't think it should matter (in practice) whether the grav-field were infinitely strong or not, if it is uniform as you show it to be.

Also, I'm not sure by how you show it, but is the length of the beam from pin to the right side infinite or finite?  You show an endpoint which implies that it is finite, but a distance marker below it showing infinity. 

[Col. Fishguts]

That's not right. It's not even wrong.

Seriously, there are so many infinite and ideal things in your thought experiment that it's not even of academic interest.

[Commander Zane]

I can't make heads or tails of it.

[Aardwolf]

Assume a massless, frictionless grad-student.

[redsniper]

With all these infinities, you'd think some of them might get...

* redsniper puts on sunglasses.

Twisted.

[General Battuta]

YEAHHHHHHHHHHH

[Kosh]

With all these infinities, you'd think some of them might get...

* redsniper puts on sunglasses.

Twisted.

Oh, so they will be like a campaign that takes an infinitly long time to finish?

[Ace]

Assume a massless, frictionless grad-student.

Is that possible? I thought the egos of most graduate students would distort the space-time continuum to create an effective mass....

[Commander Zane]

[Dark RevenantX]

Infinity is a bull**** "number" that can't be used in real-world applications, ever, unless it's an intermediate value that gets removed promptly.

A situation with impossible values will yield an impossible result...

[General Battuta]

You are ignorant of math if you call infinity 'bull****'.

[High Max]

*_*

[General Battuta]

Infinities in physics are generally the product of mathematical singularities, which are in turn generally the product of incomplete theories (as probable in the case of black holes and the big bang.)

However, the universe could easily be spatially infinite, which is quite a practical infinity with real-world applications.

[Dark RevenantX]

Stuff

In this example, infinity is used as a value.  One cannot just replace a number with infinity except in the context of the most basic of arithmetic functions (+ and x).

Besides that, the situation in the OP is flawed because it's impossible in the real world and has a solution that is also impossible in the real world -- visualizing such a thing is futile.

[Ford Prefect]

Is that possible? I thought the egos of most graduate students would distort the space-time continuum to create an effective mass....

Theoretically yes, but we're typically so out of touch with our surroundings that spacetime actually forgets to bend.

[General Battuta]

Stuff

In this example, infinity is used as a value.  One cannot just replace a number with infinity except in the context of the most basic of arithmetic functions (+ and x).

Besides that, the situation in the OP is flawed because it's impossible in the real world and has a solution that is also impossible in the real world -- visualizing such a thing is futile.

Have you done calculus?