The gravity model predicts that the optimal location of a service is directly related to the number of people in the area and inversely related to the distance people must travel to access it.

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The gravity model states that the attractiveness of a location for a service is directly proportional to the number of people in the area and inversely proportional to the distance people must travel to access it. This principle is widely used in urban and regional planning to predict the distribution of services and infrastructure, such as hospitals, schools, shopping centers, and transportation hubs. The gravity model has proved to be a useful tool for understanding the spatial dynamics of human activities and the factors that influence them.

The Gravity Model Predicts That the Optimal Location of a Service