Final answer:
The LEFT lane on a road with multiple lanes traveling in the same direction is typically used for passing. Understanding the direction and relative motion in one-dimensional and two-dimensional travel is crucial for traffic dynamics. Reference frames play an important role in how we perceive the motion of others.
Step-by-step explanation:
On a road with more than two lanes traveling in the same direction, you use the LEFT lane primarily for passing or overtaking slower vehicles. It's important to follow this rule to maintain traffic flow and ensure safety on multi-lane roads.
In terms of physics, when discussing the motion of vehicles on a road, we talk about one-dimensional motion, where cars move in a straight line along the lanes. However, in reality, drivers and pedestrians often follow two-dimensional paths, making turns and changing lanes, which requires an understanding of the direction of motion and relative motion. For instance, if a car is traveling in the furthest lane from a stopped object like a rabbit, the rabbit's ability to safely cross all 3 lanes depends on the motion of the car relative to the rabbit and the dynamics of each lane's traffic.
When we observe motion, such as a bicyclist passing by, it's essential to consider the reference frame. In the reference frame of the bicyclist, objects on the sidewalk, including a person, appear to be moving in the opposite direction of the bicyclist's travel, so to the right of the bicyclist, objects would appear to be moving to the left.