Mechanical Resonance (Suspended Spheres)

video embedded
Type of activity: demo
Activity code:  Me-009c

Description:

1. Set up as shown in diagram. 
1. Place iron ball on first loop of string and start it swinging. 
2. Observe that only the first red ball will start moving. 
3. Repeat for the remaining two positions and observe which ball resonates.

Video:


source: https://play.library.utoronto.ca/90480afeb3e0f24d5eaf33cce760ee62

Apparatus

Spheres on a String
Spheres on a String
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