/sci/ - Science & Math » Thread #13744304

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Anonymous Tue 12 Oct 21:40:07 2021 No.13744304 View Reply Original Report

Quoted By: >>13744337 >>13744390 >>13744411 >>13744412 >>13744678

How do I learn how to apply engineering formulas when designing something like a bridge?
Why is learning anything so obtuse?

Anonymous

Anonymous Tue 12 Oct 2021 21:48:54 No.13744337 Report

Quoted By:

>>13744304
for most types of engineering they have design manuals that will walk you through it, step by step.

Anonymous

Anonymous Tue 12 Oct 2021 22:04:01 No.13744390 Report

Quoted By: >>13744401

>>13744304
$\sigma=\frac{My}{I}$ . Sub and solve.

Anonymous

Anonymous Tue 12 Oct 2021 22:08:02 No.13744401 Report

Quoted By:

>>13744390
I have no idea what any of that means

Anonymous

Anonymous Tue 12 Oct 2021 22:13:14 No.13744411 Report

Quoted By: >>13744416

>>13744304
please give up on building bridges, I don't want to die like that

Anonymous

Anonymous Tue 12 Oct 2021 22:13:25 No.13744412 Report

Quoted By: >>13744415 >>13744416

>>13744304
F=0 how hard is that?

t.got 100% in statics midterm.

Anonymous

Anonymous Tue 12 Oct 2021 22:14:18 No.13744415 Report

Quoted By:

>>13744412
>how hard is that
you forgot that it has to be "0" no matter the weather, temperature and whatever else going on, retarded zoom zoom

Anonymous

Anonymous Tue 12 Oct 2021 22:14:43 No.13744416 Report

Quoted By: >>13744422 >>13744424

>>13744411
It's no big deal
I just want to build something to go across my river
It's only going to be about 100 feet long
>>13744412
What does F mean?

Anonymous

Anonymous Tue 12 Oct 2021 22:16:27 No.13744422 Report

Quoted By: >>13744425

>>13744416
>What does F mean?
force. The force on every joint is always zero, since nothing ever moves.

Anonymous

Anonymous Tue 12 Oct 2021 22:17:21 No.13744424 Report

Quoted By: >>13744428

>>13744416
>I just want to build
then pick any design you like, whether its flat or arc, and build according to schematics, unless you feel like going for a swim without a warning

Anonymous

Anonymous Tue 12 Oct 2021 22:17:22 No.13744425 Report

Quoted By: >>13744703

>>13744422
what about gravity?

Anonymous

Anonymous Tue 12 Oct 2021 22:18:26 No.13744428 Report

Quoted By: >>13744430

>>13744424
I want to learn something

Anonymous

Anonymous Tue 12 Oct 2021 22:18:46 No.13744430 Report

Quoted By: >>13744431

>>13744428
>I want to learn something
then learn from existing designs

Anonymous

Anonymous Tue 12 Oct 2021 22:19:34 No.13744431 Report

Quoted By: >>13744437

>>13744430
I want to be able to calculate stuff

Anonymous

Anonymous Tue 12 Oct 2021 22:21:25 No.13744437 Report

Quoted By:

>>13744431
then start by figuring out how calculations were done to arrive at existing designs, before trying to make your own

Anonymous

Anonymous Tue 12 Oct 2021 23:52:03 No.13744678 Report

Quoted By: >>13744729

>>13744304
Is there a second part?

Anonymous

Anonymous Wed 13 Oct 2021 00:02:36 No.13744703 Report

Quoted By: >>13745003

>>13744425
Newton’s second law, F = ma. There’s no acceleration for a static object hence the net forces acting on it must sum to zero.

Anonymous

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Anonymous Wed 13 Oct 2021 00:12:13 No.13744729 Report

Quoted By:

>>13744678

Anonymous

Anonymous Wed 13 Oct 2021 02:08:20 No.13745003 Report

Quoted By:

>>13744703
>Newton’s second law, F = ma. There’s no acceleration for a static object hence the net forces acting on it must sum to zero.
yes. thats basically the equation that governs any static object.

Anonymous

Anonymous Wed 13 Oct 2021 08:10:51 No.13745841 Report

Quoted By:

just picture it in your head and all the physics involved
>t. builds bridges for a living with the team of builders

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