In this experiment a geared motor (30:1 ratio) is used to drive the elastically coupled elements of a wave machine via an eccentric. In order to suppress reflections at the open end of the oscillating system, the small bars under the oscillating pieces are allowed to dip into a tub of water.
Each oscillating element has a panel which passes through a light barrier during its oscillation as illustrated, thus breaking the beam at regular intervals. A digital counter is then used to measure the period of oscillation.
| Materiallist (Excerpt) |
Product |
Amount |
|
Wave machine
|
11211-00
|
1
|
|
Digital counter, 6-decade
|
13603-93
|
1
|
|
Laboratory motor, 220 V AC
|
11030-93
|
1
|
|
Gearing 30/1, for 11030.93
|
11029-00
|
1
|
|
Light barrier, compact
|
11207-20
|
1
|
|
Barrel base PHYWE
|
02006-55
|
1
|
|
Bench clamp PHYWE
|
02010-00
|
1
|
|
Support rod PHYWE,square,l 250mm
|
02025-55
|
1
|
|
Right angle clamp PHYWE
|
02040-55
|
1
|
|
Connecting cord, 32 A, 2000 mm, red
|
07365-01
|
1
|
|
Connecting cord, 32 A, 2000 mm, blue
|
07365-04
|
1
|
|
Connecting cord, 32 A, 2000 mm, yellow
|
07365-02
|
2
|
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