In a two-wheel differential drive robot, if both wheels move forward at the same speed, what is the robot's motion?

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Multiple Choice

In a two-wheel differential drive robot, if both wheels move forward at the same speed, what is the robot's motion?

Explanation:
In a two-wheel differential drive, how the robot moves depends on the difference between the wheel speeds. If both wheels move forward at the same speed, there is no difference to create a rotation, so the robot doesn’t yaw. The center of mass then translates forward along the robot’s forward direction, resulting in straight-ahead motion. In other words, with equal forward wheel speeds, the robot moves straight ahead. If the wheel speeds differed, the robot would rotate and follow a curved path; if both wheels moved backward at the same speed, it would drive straight backward.

In a two-wheel differential drive, how the robot moves depends on the difference between the wheel speeds. If both wheels move forward at the same speed, there is no difference to create a rotation, so the robot doesn’t yaw. The center of mass then translates forward along the robot’s forward direction, resulting in straight-ahead motion. In other words, with equal forward wheel speeds, the robot moves straight ahead. If the wheel speeds differed, the robot would rotate and follow a curved path; if both wheels moved backward at the same speed, it would drive straight backward.

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