# Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 2 Real-Life Egg Drops Mars Rovers (2004) –Descent onto Martian surface Giant airbags Bounced on surface.

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Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 2 Real-Life Egg Drops Mars Rovers (2004) –Descent onto Martian surface Giant airbags Bounced on surface until coming to rest Felix Baumgartner (2012) –Highest free-fall in history Free fall altitude: 39045 m (128100 ft) Speed attained: 1342.8 km/h Free fall time: 4:20 min

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 3 Acceleration: A Review The rate at which the velocity of an object changes –Constant Velocity (speed and/or direction) changes by the same amount every second –Changing Velocity (speed ad/or direction) changes by a different amount every second Gravity Centripetal Forward

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 4 Forces: A Review A push or a pull on an object –Applied –Normal –Friction FGFG Friction Applied

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 5 Newtons First Law of Motion Objects in motion stay in motion and objects at rest stay at rest unless acted on by an external force All objects have inertia –A tendency not to change their motion Remain at rest Remain in motion

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 6 Newtons Second Law of Motion The acceleration of an object is created by a net force on the object F = m a –For a given object, a larger force generates a larger acceleration –For a given force, a higher mass generates a lower acceleration

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 7 Newtons Third Law of Motion For every action, there is an equal and opposite reaction

Conversano & Olmos, The Great Egg Drop, Nov. 5, 2012 8 Egg Drop Requirements Overview Materials –4 types can be selected –Limited supply, so plan ahead Size –Must fit inside a 10 sphere Design –Complete accurate sketch before beginning construction –Must be approved before building –BE CREATIVE!!! Remember, a simple shell doesnt help the egg survive alone!

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