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Physics Application
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Intro
• We have talked about Newton’s first two laws of motion.
• Using this knowledge, we are going to conduct an experiment to utilize what we’ve learned to prevent an egg from breaking when dropped.
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Background
• As we know, it doesn’t require a lot of force to break an egg shell.
• We know that force = mass X acceleration. • The average mass of a large egg is
approximately 57g or 0.057kg. • The acceleration due to gravity is 9.8m/s2
• What is the force generated by dropping an egg for 1 second?
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Here’s the Math using Newton’s 2nd Law
• F= ?• M= .057kg• A= 9.8m/s2
• Force= (.057kg)(9.8m/s2) • Force = 0.56N
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Using What We Know
• An object in motion will remain in motion unless acted on by an unbalanced force.
• As we drop an egg, what will be the unbalanced force acting on the moving egg?
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Our Task
• Design an apparatus that prevents an egg from breaking when dropped from the second story.
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Materials
• 7 sheets of computer paper• Scotch tape• 1 large egg• 1 sandwich bag to put the egg in (to contain
the egg if the apparatus should fail)
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Hints• In order to have your egg survive, you should
slow down the egg’s fall and/or increase the moment of impact (much like crumple zones in a car.
• Good luck and have fun. • 25 bonus points per group whose egg survives
the fall.• 10 extra points for each sheet of paper not
used, provided that your egg survives.