- #1

- 48

- 7

- #1

- 48

- 7

- #2

Khashishi

Science Advisor

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- 493

To answer your question, it is important to distinguish between a magnet and a magnetic field. A magnet is an object that has a magnetic field around it. A small magnet can have the same surface magnetic field as a large one, but a large one will have a much higher pulling force over a much larger distance. So, the pulling force of a magnetic field depends on the geometry of the magnetic field. That said, an MRI machine can produce frighteningly strong fields.

- #3

Vanadium 50

Staff Emeritus

Science Advisor

Education Advisor

2019 Award

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Twice as strong as 1.5 T!How strong is this magnet?

Seriously, what kind of answer are you looking for?

- #4

jrmichler

Mentor

- 1,281

- 1,365

The pull force is proportional to the square of the field strength, so a 3 T magnet will pull 9 X 58 = 522 PSI.

I had to study up on this some years ago when I designed an electromagnet to pull 1600 lbs force through a 1/4" air gap. And was amazed when it actually worked according to the calculations.

- #5

Nugatory

Mentor

- 12,988

- 5,699

For comparison: An automobile tire puts a few tens of psi on the ground to support the weight of the automobile - and you will be going to the emergency room with some broken bones if you get your foot caught between the tire and the ground. This magnet is doing ten times that.so a 3 T magnet will pull 9 X 58 = 522 PSI.

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