Maximizing Bridge Capacity: A Weight Distribution Dilemma

[DaveC426913]

Hey, were we ever going to see an answer to this one?

 

[Gale]

Hey, were we ever going to see an answer to this one?

Sorry Guys and Gals,


I really don't have an answer to this one. I put it here hoping to find a physics answer.

there is no answer...

 

[minger]

I think I actually have an answer. My first reaction to this problem was to throw it up and do the jumping thing. If you "cushioned" your landing enough, I think it would be possible, however here my real answer.

The bridge somehow will fail to weight, and I think we agree that the ropes on this bridge resist the entire load. Sooooo...take a few of the planks off and step over the hole in the bridge. What I would do is take off like every other plank until I was half way over the bridge, then go back and take all 3 bars. (surely I've thrown 9kg of wood off of the bridge).

;)

 

[xJuggleboy]

Ok here is my go at it...

If the bridge has planks running across it to make the walkway. And one plank can only hold 80Kg.

With your right foot on the ground. Put your left foot on the 3rd plank. Move all the bricks one at a time to the 2nd plank. Move your first foot to the 1st plank then your other foot to the 4th. Move the bricks to the 3rd plank. And so forth till you get all the way across.

Not much of a solution but It should work

One other tought... If you steped on the crack between 2 planks they would both be supporting your weight and shuldent break... Maybe...

 

[Automagman]

Ok here is my go at it...

If the bridge has planks running across it to make the walkway. And one plank can only hold 80Kg.

With your right foot on the ground. Put your left foot on the 3rd plank. Move all the bricks one at a time to the 2nd plank. Move your first foot to the 1st plank then your other foot to the 4th. Move the bricks to the 3rd plank. And so forth till you get all the way across.

Not much of a solution but It should work

One other tought... If you steped on the crack between 2 planks they would both be supporting your weight and shuldent break... Maybe...

I think we are assuming that the planks are sturdy and the rope is not, it would be too easy the other way around.

I am going to try this with as many restrictions as i can think of, this is first post so be gentle

...I was actually going to try to figure this out but then i remebered i had homework to do.

here is my BS answer.
Since the entire universe is holographic i will use my jedi powers to close the canyon and walk across the newly formed land bridge.

 

[Jimmy Snyder]

1. How wide is the canyon?
2. How high is the bridge?
3. How deep is the water?

 

[DaveC426913]

"...take a few of the planks off and step over the hole in the bridge. What I would do is take off like every other plank until I was half way over the bridge, then go back and take all 3 bars. (surely I've thrown 9kg of wood off of the bridge).
"

This is the best answer I've heard yet, although the original problem doesn't mention the construction of the bridge.

 

[minger]

"...take a few of the planks off and step over the hole in the bridge. What I would do is take off like every other plank until I was half way over the bridge, then go back and take all 3 bars. (surely I've thrown 9kg of wood off of the bridge).
"

This is the best answer I've heard yet, although the original problem doesn't mention the construction of the bridge.

Thank you I imagine if this bridge can only hold that much weight, it must be pretty shotty built

 

[nipwoni]

Exchange the gold bars for paper money (much lighter) then walk across. If you still want gold you can buy some at the other side. :)

 

[mapper]

Id use one gold bar to pay the locals to build me a better bridge. :)