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Name of Our Car Analysis of Data, Interactions, Energy Transfers, and Forces Student Name & Student Name Correia Middle School, 8 th Grade Mr. Gardinier, Room 305 February 28, 2007

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Materials Used to Build our Car 2 9-inch Balloons Balloon pump Elmers White Glue Duct tape More materials Scissors Two Straws Cordless drill Drill bits More materials

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Photos of Name of Our Car Insert 3 or more images of your car. Delete this message.

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Data Collected from Car Test Time in SecondsDistance in MetersSpeed in m/s 000 0.721 1.39 0.902 5.56 1.533 1.59 1.684 6.67 3.35 0.62 Total Distance: 7.22 meters Total Run Time: 5.79 seconds Average Speed Over 5 Meters: 1.52 meters/second

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Data Analysis of Velocity From the start to meter 1, the velocity of the car is increasing because the slope increases.

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Data Analysis of Velocity From meter 1 to meter 2, the velocity of the car is increasing because the slope is increasing compared to the slope from the start to meter 1.

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Data Analysis of Velocity From meter 2 to meter 3, the velocity of the car is decreasing because the slope is decreasing compared to the slope from the meter 1 to meter 2.

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Data Analysis of Velocity From meter 3 to meter 4, the velocity of the car is increasing because the slope is increasing compared to the slope from the meter 2 to meter 3.

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Data Analysis of Velocity From meter 4 to meter 5, the velocity of the car is decreasing because the slope is decreasing compared to the slope from the meter 3 to meter 4.

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Data Analysis of Speed From the start to meter 1, the speed of the car is increasing because the data point is higher than the previous data point.

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From meter 1 to meter 2, the speed of the car is increasing because the data point is higher than the previous data point. Data Analysis of Speed

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From meter 2 to meter 3, the speed of the car is decreasing because the data point is lower than the previous data point. Data Analysis of Speed

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From meter 3 to meter 4, the speed of the car is increasing because the data point is higher than the previous data point. Data Analysis of Speed

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From meter 4 to meter 5, the speed of the car is decreasing because the data point is lower than the previous data point. Data Analysis of Speed

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Analysis of Interactions and Energy Transfers _______________ Interaction Mechanical Energy Transfer Decrease in Energy Increase in Energy Object

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Analysis of Interactions and Energy Transfers Continued _______________ Interaction Mechanical Energy Transfer Decrease in Energy Increase in Energy Object

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Analysis of Interactions and Energy Transfers Continued _______________ Interaction Mechanical Energy Transfer Decrease in Energy Increase in Energy Object

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Analysis of Forces at Each Meter Forces at Meter 0 There are no forces. At meter 0, the car is at zero speed.

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Analysis of Forces at Each Meter Continued Forces at Meter 1 Forces are unbalanced in the forward direction. At meter 1, the car is speeding up. Force exerted by balloon on car. Force exerted by air on car. Force exerted by axle on straw. Force exerted by ground on wheels.

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Analysis of Forces at Each Meter Continued Forces at Meter 2 Forces are unbalanced in the forward direction. At meter 2, the car is speeding up. Force exerted by balloon on car. Force exerted by air on car. Force exerted by axle on straw. Force exerted by ground on wheels.

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Analysis of Forces at Each Meter Continued Forces at Meter 3 Forces are unbalanced in the forward direction. At meter 3, the car is speeding up. Force exerted by balloon on car. Force exerted by air on car. Force exerted by axle on straw. Force exerted by ground on wheels.

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Analysis of Forces at Each Meter Continued Forces at Meter 4 Forces are balanced. At meter 4, the car is at constant speed. Force exerted by balloon on car. Force exerted by air on car. Force exerted by axle on straw. Force exerted by ground on wheels.

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Analysis of Forces at Each Meter Continued Forces at Meter 5 Forces are unbalanced in the backward direction. At meter 5, the car is slowing down. Force exerted by air on car. Force exerted by axle on straw. Force exerted by ground on wheels.

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Project Conclusion Write your project conclusion here. Be sure to answer the following questions: How were you able to maximize the forward force of the balloons? How did you minimize backward forces of friction and drag? What could you have done better to make your car go further and faster? How did your car perform compared to other cars in the class. What have you learned by doing this project? WARNING FROM MR. G: This file is a template and example of the PowerPoint you and your partner must create using YOUR data. Without effort in analysis using your own data, graphs, photos, and adjusting forces that apply to the motion of your car, YOU AND YOUR PARTNER WILL NOT RECEIVE CREDIT FOR THIS PART OF THE PROJECT.

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Guided Discussion Student notes are shown in blue.

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