Marble in Open Ring
Purpose
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 "fly outward" when released from circular motion.
Figure 1:
The aluminum 3/4 ring and glass marble. Roll the marble along the inside edge; when it reaches the gap, it exits in a straight tangent line.
Equipment
- 1
Demo Apparatus
- 1