Which of the following conditions does not affect tower point eligibility?

The eligibility for tower points in FRC is primarily influenced by various design and compliance aspects of the robot as specified in the game rules. The key to understanding why robot weight does not affect tower point eligibility is that weight is governed by overall team regulations to ensure fairness and competitiveness, but it does not directly influence the scoring mechanisms related to tower points.

Touching the carpet, bumper configuration, and the height of mechanisms can all play a role in determining whether a robot can legally score points on the tower. For example, specific rules may state that a robot must maintain certain configurations to score effectively or that part of the robot must remain within designated areas. Each of those elements is subject to official game requirements, making them critical to achieving eligibility for scoring points.

In contrast, while the robot's weight must comply with specific limits to compete safely and fairly, it is not a factor that influences how scoring is achieved or whether a robot can score points by interacting with the tower. Therefore, robot weight is not a condition that impacts tower point eligibility, making it the correct choice in this context.