Heavily loaded trailers bounce up and down slowly when passed on a highway, indicating significant weight shifting. This bouncing motion is due to the trailer's weight and intertia, making it more likely to be heavily loaded.
When a trailer of a tractor-trailer is bouncing up and down slowly while being passed on a highway, it is more likely that the trailer is heavily loaded rather than nearly empty. This bouncing motion indicates that the trailer has a significant weight shifting back and forth, causing the bouncing effect.
Heavily loaded trailers have more inertia, making them prone to bounce when passing over bumps or uneven road surfaces. In contrast, empty trailers would have less weight and hence less bouncing motion.
Understanding the physics behind the bouncing motion helps in determining the weight status of the trailer being observed on the highway.
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