Physics Students' Bridge Designs Get Tested

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Source: RUclips/Mark Hossler

[@johnreid5814]

The made us wear safety goggles when handling salt water but you're fine with flying sticks.

[@zqh521]

孩子，你要学会自己打破0回复

[@CroppedHornet]

Best practice isn’t always practical. Especially when the football program got the money.

[@jto541]

Hey look they turned poly bridge into a real thing

[@thijmen8823]

damn dis shit crazy

[@stephen285]

he has a Godzilla complex

[@twt2397]

How much does each bucket of sand weigh

[@brightfrost]

i think it is not really a fair test since the mass of the weight was right in the center of the bridge. It'd be interesting to see how the bridge would hold if the weight of the mass was distributed more evenly as how bridges are used in the real world.

[@Control-Freak]

I think this test could radically change if you had wood timber that had joinery to tie the structure together. It is all about how things are connected first, then comes the engineering to spread the load.

[@hsynn009]

1:32 How many cm is the bridge span ?

[@richardmckrell4899]

We did this exact design project in Junior High, I was 13.

[@Gizmos_and_stuff]

i'm doing this project right now, I'm 14

[@uhhranz]

@@Gizmos_and_stuffdoing this rn im 17

[@Gizmos_and_stuff]

@@uhhranz how's the project going?

[@ImTheReverse]

Doing this as a freshman in Engineering School, I’m 19

[@richardmckrell4899]

@@ImTheReverse Better late than never.

[@roseanneameril3548]

Is it really in the structure or in a STICKS used in experiment?

[@cybergaming7969]

line bender both

[@taitbrooking3034]

bridges

[@Diogo-dt1uf]

Dude, didn't your teacher taught you that the load must be put ON the nodes and not on the bars?
Putting the load on the bar you are basically relying on the strenght of the bar itself!

[@jqxz230]

I don't want to be rude, but the bridges seem to have poor efficiencies. The bridge at 1:32 held a decent bit of sand, but it apparently weighed 30 (I can only assume grams) I might be mistaken but it didn't seem like there was very much sand in the bucket.

[@gioa2334]

Somewhat 1st

[@bluerat2381]

It doesn't look like testing, it's intentionally breaking,.

[@EthanSnachedMyChair2]

That's the joy of it

[@aspect0074]

looks like 1:32 was the best.

[@gradymcinturff9958]

Heyyyyyy

[@flymd4234]

1st like

[@fogo1832]

Last first first last first last first

[@ppcgnamda]

First last

[@anthonysharp1291]

first

[@switchtrackrailphotos5702]

no one asked what grade your in

[@riverchaney5488]

@@switchtrackrailphotos5702 ??????

[@julienwastaken5250]

"first" 🤓

[@rafiqstarline]

Bro I have to build a bridge from one table to another and tha gap is long, short bridges are easy like those but I AN 11 YEAR OLD LITTERLY HAVE TO DO DOUBLE THE LENGHT of that bridge

[@franciscogonzalezjejj]

how did u do? can you share the design

[@rafiqstarline]

@@franciscogonzalezjejj did you know what my teacher said never happened we just had to make from one chair to another

[@franciscogonzalezjejj]

@@rafiqstarline and what was the distance then

[@rafiqstarline]

@@franciscogonzalezjejj yea I need to wait on Wednesday or next Wednesday than I would know but it's around forgot