It must be a bridge which can hold the weight of a 70kg person for 30sec.
2007-02-23 15:51:52 · 4 answers · asked by josephine_yeezihui 1 in Education & Reference ➔ Homework Help
Build the bridge in the shape of a triangle, that is the strongest shape and can support a lot of weight.
2007-02-23 15:54:54 · answer #1 · answered by Dan 3 · 0⤊ 0⤋
not sure what materials you have to use but the strongest type of bridge would probably be a Warren truss bridge -- maybe a website would be better at explaining it -- brb -- ABCD's Bridge Design Tips for KidsProvides tips for bridge-building projects, including topics such as form, connections, properties of balsa wood, links, and a bibliography.
http://abcdpittsburgh.org/kids/kids.htm
2007-02-23 16:01:36 · answer #2 · answered by --------------- 2 · 0⤊ 0⤋
I personnally think susspension bridges are great. But there extremley hard to build. A brridge your looking for is something like Leonardo's bridge. Here's a good place to look for design details
http://www.vebjorn-sand.com/thebridge.htm
Of course do that on a much, much smaller scale.
2007-02-23 15:57:13 · answer #3 · answered by Xboxman33 2 · 0⤊ 0⤋
toothpicks!
nah .. thick bamboo sticks or something .
2007-02-23 15:56:30 · answer #4 · answered by youarestupid(; 2 · 0⤊ 0⤋