5. Straight line routes are always longer than the zigzag routes.
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Answer:
A straight line may be the shortest distance between two points, but it isn’t necessarily the fastest or easiest path to follow.
That’s particularly true when terrain is not level, and now American and British researchers have developed a mathematical model showing that a zigzag course provides the most efficient way for humans to go up or down steep slopes.
“I think zigzagging is something people do intuitively,” said Marcos Llobera, a UW assistant professor of anthropology who is a landscape archaeologist. “People recognize that zigzagging, or switchbacks, help, but they don’t realize why they came about.”
Llobera, who is interested in reconstructing patterns of movement within past landscapes, said the model and a study that describes it stem from earlier research that looked at the emergence of trail systems. That research focused on flat terrain.
Explanation:
A straight line may be the shortest distance between two points, but it isn’t necessarily the fastest or easiest path to follow.
That’s particularly true when terrain is not level, and now American and British researchers have developed a mathematical model showing that a zigzag course provides the most efficient way for humans to go up or down steep slopes.
“I think zigzagging is something people do intuitively,” said Marcos Llobera, a UW assistant professor of anthropology who is a landscape archaeologist. “People recognize that zigzagging, or switchbacks, help, but they don’t realize why they came about.”
Llobera, who is interested in reconstructing patterns of movement within past landscapes, said the model and a study that describes it stem from earlier research that looked at the emergence of trail systems. That research focused on flat terrain.