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Tug of War
Lesson 2: Pulling Objects with the BaseBot


Now that you have built and tested rope attachments for your BaseBot, you are ready for the Robot Tractor Pull Challenge.

Follow the steps in this document to complete the Robot Tractor Pull Challenge. Google Doc / .docx / .pdf

Video file

Once you have completed the Robot Tractor Pull Challenge, check in with your teacher. Ensure you have documented the results of the challenge in your engineering notebook.

Wrap Up Reflection

Now that you have tested different attachment designs and positions, and competed in the Robot Tractor Pull Challenge, it is time to reflect on what you have learned and done in this Lesson. Start a new page in your engineering notebook to start your reflection.

Rate yourself as a novice, apprentice, or expert on each of the following concepts in your engineering notebook. Provide a brief explanation for why you gave yourself that rating for each concept:

  • The way the rope attachment design affects the robot’s ability to pull objects
  • The way the placement of the rope attachment on the robot affects the robot’s ability to pull objects
  • Problem solving with my teammates

 Use this table to help you determine which category you fall under.


I feel that I fully understood the concept and could teach this to someone else.
Apprentice I feel that I understood the concept enough to compete in the challenge.
Novice I feel that I did not understand the concept and do not know how to complete the challenge.

What is Next?

In this Lesson, you designed and tested a rope attachment for your robot.

In the next Lesson, you will:

  • Learn about gear trains and mechanical advantage.
  • Add a gear train to your robot.
  • Compete in the Gear Train Tractor Pull Challenge!

baseBot with gear train

Select < Return to Lessons to go back to the Lesson Overview.

Select Next Lesson > to continue to Lesson 3, and explore how gear trains affect the BaseBot's ability to pull objects.