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AARON HEO PERIOD 6. Which combination will allow a car to travel faster around a track?

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Presentation on theme: "AARON HEO PERIOD 6. Which combination will allow a car to travel faster around a track?"— Presentation transcript:

1 AARON HEO PERIOD 6

2 Which combination will allow a car to travel faster around a track?

3 The combination with three wheels and no rubber on the front wheel will complete a lap in the shortest amount of time.

4 Mindstorms NXT 2.0 kit (Lego.com) Computer (home) Mindstorms NXT 2.0 Program (CD that is included) Stopwatch (home)

5 1.Number of wheels 2.Rubber on the front wheels

6 1.Time it takes to complete a lap

7 1.First, download the programming software off of the CD provided in the kit. 2.Use the pieces provided in the Mindstorms NXT 2.0 kit to build a body for the car. 3. Use the motors included in the kit and add four wheels, using rubber, to the body. 4.Add the color/light sensor to the design of the car (the closer it is to the floor, the better). 5.Create a program that will make the robot car travel around the black line on the mat (included in the kit) using the Mindstorms NXT 2.0 Program. 6.Connect the Microcomputer Brick to your computer using the wire that was included in the kit. 7.Download the programming you have done into the Microcomputer Brick. 8.Test the programming you have created and see if the robot can successfully complete one lap around the mat with the black track. 9.If it does not fully complete a lap in less than five minutes make some changes to your car or the programming. 10.Place your car where it says start and time how long it takes to complete one lap 11.Once, finished record your time in the table (in seconds).

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9 1.Light/Color sensor 2.Microbrick computer (brain) 3.Motors 4.Wheels

10 Four Wheels with Rubber Three Wheels no Rubber Three Wheels with Rubber Four Wheels no Rubber

11 4 Wheels With Rubber 4 Wheels Without Rubber 3 Wheels With Rubber 3 Wheels Without Rubber Test Run #1194 seconds26 seconds123 seconds30 seconds Test Run #2192 seconds28 seconds135 seconds31 seconds Test Run #3194 seconds29 seconds155 seconds32 seconds Average193.3 seconds27.6 seconds132.6 seconds31 seconds

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13 Slowest – 4 wheels…rubber Fastest – 4 wheels…no rubber Rubber really increased the times Due to friction


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