Why does a pendulum in a car swing outwards when the car drives in a circle?

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Homework Help Overview

The discussion revolves around the behavior of a pendulum attached to a car as it drives in a circular path, specifically why the pendulum swings outward from the center of the circle. The subject area includes concepts of inertia and centripetal force.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants express confusion regarding the role of inertia and centripetal force in the pendulum's motion. Questions are raised about the nature of forces acting on the pendulum and the mechanics of circular motion.

Discussion Status

Some participants are seeking clarification on the concepts involved, while others are attempting to relate the pendulum's behavior to broader principles of motion. There is an ongoing exploration of the underlying physics without a clear consensus yet.

Contextual Notes

Participants are grappling with definitions and the implications of forces in circular motion, indicating a need for deeper understanding of these concepts. The discussion is framed within the context of a homework assignment, which may impose certain constraints on the exploration of ideas.

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Homework Statement



If we attach a pendulum to the roof of a car and drive the car in a circle, why does the circle swing outwards away from the center of the circle.

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The Attempt at a Solution



I don't understand the idea that inertia causes this, can some 1 clarify this for me.
 
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Same idea of swinging a mass at the end of a string, what keeps the mass at the end of the string, I don't understand the idea of "centripetal force". In quotations because I know its not really a force.
 
What keeps the mass at the end of the string? The string does. The object is trying to move in a straight line, but the string is causing a constant acceleration towards the center of the circle.
 
Though what about the pendulum in the car.
 

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