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Question:

does anyone have an idea when it comes to building a construction crane out of drinking straws?

For a project in physics we have to build a construction crane out of drinking straws it has to hold up a 500g weight and it has to be off of the table by at least 10 cm and the straw can't bend that much or we'll fail another thing we have to make it as cheap as possible for every straw we use its $100 and for every cm of tape or string its 1 dollar please help me?

Answer:

Straws are not very strong crosswise but are quite strong lengthwise So the weight from the lift should taken be the straws lengthwise as far as possibleIf neccessary stresses on the centre of straws can be taken by cross membersthis transfers the stresses ACROSS the straw DOWN the cross member ( DOWN-strong, ACROSS - weak)
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