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Answer Key

Summative Assessment Answer Key

  1. Which of these is best described as “an electrical device used to measure angular position?”
    Potentiometers.
  2. Why are the [Set Optical light] and [Set Optical light power] blocks used with the Optical Sensor to detect color?
    These blocks improve the accuracy of the color detection by providing a consistent light source.
  3. Which of these is NOT a function of the Optical Sensor?
    Detecting the distance to the nearest object.
  4. What must happen first before you can use the Optical Sensor in a VEXcode V5 project?
    The Optical Sensor device must be added to the Robot Configuration in order to add the ‘Optical Sensing’ category of blocks in the Tool Box.
  5. In this project, what triggers the arm mounted on the VEX V5 Workcell to move to the disk pick up location and pick up a disk?
    Pressing the V5 Brain’s Screen.