![]() What can you determine from your data?ġ0. Keep adding planks until Sphero isn't able to pull his trailer.ĩ. Once again record the Velocity and Distance.Ĩ. Next, you will place one KEVA plank in your trailer and run your program again. You may need to click on the graph to enlarge it and then double-click a couple of times to increase it to get the most accurate number possible.Ħ. Record the total distance in cm he traveled. Record the maximum Velocity Sphero reached during his journey. We are interested in his Velocity which is measured in cm/s and his Distance which is measured in cm. As your program runs Sphero uses his 3 axes to collect data about his journey. In the upper right corner of the program window click on the three vertical dots. Remember to Aim Sphero before you Start your program.ĥ. For the first run you will not carry any KEVA planks. Once Sphero is successfully rolling for 3 seconds, you will need to start collecting data so that you can tell Sphero how many KEVA planks he will be able to carry at once.Ĥ. Be sure to include Exit Program block so that Sphero stops right after traveling 3 seconds.ģ. Test your program, make sure you have an open space that allows Sphero to travel without a collision for the entire 3 seconds. Set his heading at 0, his speed at 100, and his duration to 3 seconds. After you have designed and tested your trailer you will need to write a program that rolls Sphero. There are no design rules other than it must be able to carry KEVA planks and keep them on the trailer while moving.Ģ. Using Zometool design a trailer that attaches to and is able to be pulled by Sphero. Sphero needs your help to design a trailer that he can pull and load with KEVA planks! He wants to be able to take home as many planks as possible without exceeding the speed limit which is 200 cm/s.ġ. Sphero wants to have a bonfire and is going to need to find a way to haul firewood home. Put your Sphero on the floor and practice aiming and driving Sphero in a straight line.ĭetermine Acceleration-Force-Mass Relationship.Change your Sphero's color to make it easier to keep track of which one is yours. ![]() Sphero can travel up to 4.5 mph! You can also change Sphero's color by dragging the little white circle to a different color in the circle of colors. The blue circle on the vertical line controls the speed. From here you can drag the blue circle inside the gray circle to drive your Sphero robot. You will now be taken back to the Drive screen. Once you have the blue tail light aimed.Remember this is his "tail light", when it is pointing directly at you Sphero will move away from you forward. Your Sphero should be rotating around as you do this. Move the blue circle around the outside of the circle to aim your Sphero.Click on the Aim button as shown below. ![]()
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