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  1. Home
  2. Physics Demonstrations and Equipment
  3. Mechanics
  4. Motion in Two Dimensions
  5. Centrifugal Escape

Centrifugal Escape Concept

Demonstrations in Centrifugal Escape

Aluminum 3/4 ring (open at top) with a multicolored glass marble sitting at center, on a green lab bench surface

Marble in Open Ring

A marble rolling inside a 3/4 ring exits through the gap in a straight line tangent to the circle, demonstrating Newton's First Law. Directly addresses the common misconception that objects …
Orange foam ball wrapped in blue netting attached to a white cord, with a 9V battery and buzzer wires shown separately on a gray surface

Trajectory of Swinging Ball

Demonstrates that objects in circular motion travel in a straight line tangent to the circle when released, directly illustrating Newton's First Law. Corrects the common misconception that released objects fly …

Physics Undergraduate Laboratories
Department of Physics
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University of Colorado
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