Friday, November 6, 2009

Please help me with egg drop project?

Project Criteria: The size of a shoe box. ~The protection for the egg must be engineered, not just filled with stuff.~No type of packing material will be allowed. This includes but may not be limited to such items as : bubble wrap, cotton balls, tissue , styrofoam pellets, cronstarch pellets, pillows, stuffed animals, shaving cream, paper, ballons or egg crate foam. No type of food may be used as packing material. This includes : jello, marshmallow, popcorn, or peanut butter,~ No wooden or metal boxes~No parachutes or helium filled balloons will be allowed~The egg will be provided at the time of the drop which you will then have to insert it into your project~ No boxes will be accepted that are preloaded with an egg. And it must have physics behind the design. Including Newtons laws of motion, terminal velocity, momentum, and gravity.





Thanks for the help ahead of time.

Please help me with egg drop project?
Depending on the height of the drop the velocity on impact could be the terminal velocity so your package should be light and as non aerodynamic that is allowed. The egg will be traveling at the same velocity as the box when the box makes impact so it will have momentum mv but force on the egg will be mv/dt where dt is the time over which the egg decelerates. So the egg needs to beging decelerate when the box makes impact.


A frame with a "nest" to hold the egg in the center, made of thin bendable wire or thread stiffened with glue, that will deform on impact and absorb the shock might work.


Suspending the egg with rubber bands or strips of cloth attached to the box also might fit the rules.
Reply:hmmm, oatmeal works best, but that's food.


How about something with springs?



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