Centrifugal & Centripetal Forces (College Board AP® Human Geography): Study Guide

Kristin Tassin

Written by: Kristin Tassin

Reviewed by: Bridgette Barrett

Updated on

Centrifugal forces & state sovereignty

  • A centrifugal force undermines national unity

  • Centrifugal forces within a state can lead to a lack of strong national identity and decreases in state sovereignty

  • Centrifugal forces may be political, economic, or cultural

    • Political examples of centrifugal forces include:

      • armed conflicts

      • territorial disputes

      • poor relationships between minority and majority groups within the state

    • Uneven economic development, economic inequality, or lack of infrastructure can be a centrifugal force

    • The existence of multiple ethnicities or nationalities within one state, or the existence of multiple distinct languages, religions, and regions can serve as cultural centrifugal forces

  • Centrifugal forces can lead to failed states, the existence of stateless nations, and ethnic separatist movements

Examiner Tips and Tricks

A task verb on the AP Exam is “define.” The “define” task requires you to provide the meaning of a term or concept. For example, a potential question would be: Define centrifugal forces. In this case, correct answers would include one of the following: Forces that:

  • divide or weaken a state

  • separate a state’s population,

  • destabilize a state

  • lead to internal disruption or disunion.

Here, you are providing the meaning of the term. The “define” task verb is often the first in a free-response question series. In this example, you might be asked to define centrifugal forces, then identify several, and then explain their causes or apply them to a specific scenario.

Centripetal forces & state sovereignty

  • A centripetal force tends to unify people and increase support for the state

  • Centripetal forces can lead to the development of a strong national identity and increased state sovereignty 

  • Centripetal forces can be political, economic, or cultural

    • Political centrifugal forces include celebrations of national identity, such as national holidays, strong central governments, and uniting against an external threat

    • Economic development and equitable infrastructure development are examples of economic centrifugal forces

    • Cultural centrifugal forces include the presence of a shared history and a common language, religion, or ethnicity

  • Centripetal forces can lead to ethnonationalism and increased cultural unity

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Kristin Tassin

Author: Kristin Tassin

Expertise: Geography Content Creator

Kristin is a high school educator with 10+ years of experience teaching AP Human Geography, World History, and US Government. She holds a Ph.D. in History and has published articles in leading journals. Fluent in Arabic and Turkish, Kristin is also an exam grader and active volunteer in history education initiatives.

Bridgette Barrett

Author: Bridgette Barrett

Expertise: Geography Lead

After graduating with a degree in Geography, Bridgette completed a PGCE over 25 years ago. She later gained an MA Learning, Technology and Education from the University of Nottingham focussing on online learning. At a time when the study of geography has never been more important, Bridgette is passionate about creating content which supports students in achieving their potential in geography and builds their confidence.