HMC
Driven Mechanical Resonance

Tacoma Narrows Film/ Video – 3A60.10

- 8 sec. clips can be found online at http://www.stkate.edu/physics/phys111/curric/tacomabr.html


Driven Cart Between Springs - 3A60.24


- A PASCO cart is placed between two long springs.
- The cart is driven by a variable speed motor.
- Eddy current damping is used also.
Location: Galileo F

Video:


Resonance in Rods – 3A60.51

ResRod 

- Three pairs of spring-steel wires are affixed to a horizontal rod.
- A brightly colored mass is affixed to the end of each wire.
- When any wire is “plucked”, its equal-length counterpart of the opposite side of the device oscillates with large excursions while the other four wires and weights remain relatively motionless.

Location: Jacobs B122 - Shelf 284

Video: