PASCO SF-9297 User Manual
Instruction Sheet
for the PASCO
Model SF-9297
COUPLED HARMONIC OSCILLATORS
012-02883D
12/92
$1.00
Adjustable
Endstop
Hose to
Blower
Banana Plug*
Glider
Introduction
The PASCO Model SF-9297 Coupled Harmonic
Oscillators adapts your PASCO Air Track for the
study of harmonic motion. You can link up to five air
track gliders together for a study of coupled harmonic
motion, or you can use a single glider with one or
more springs for a detailed, quantitative study of
simple harmonic motion.
The Model SF-9297 Coupled Harmonic
Oscillator Kit includes:
Spring
Connector
Spring
(Not Drawn to Scale)
Setting Up the Oscillators
The basic setup for the Harmonic Oscillators is shown
above. First set up the air track and level it as described in the air track manual. Then couple the
gliders as shown. The banana plug end of the Spring
Connectors plugs directly into the top hole on the side
of the gliders, and also into the hole in the fixed
endstop (included with the air track) and the adjustable
endstop.
Turn on the blower and adjust the air volume to the
minimum level so the gliders float freely on the track.
Fixed
Endstop
• 3 Air Track Gliders
(2 also included with the air track)
• 6 Additional Masses
(4 also included with the air track)
• 6 Springs
• 12 Spring Connectors
• 1 Adjustable Endstop
*Note: Plugs also come with washers, screws,
and solder lugs. These are not part of the experiment and can be disregarded.
10101 Foothills Blvd. • P.O. Box 619011 • Roseville, CA 95678-9011 USA
Phone (916) 786-3800 • FAX (916) 786-8905 • TWX 910-383-2040
If you are using photogate timers, you can easily adjust
them to time the motion of the gliders—the pendulum
mode is particularly useful for measuring the period of
the oscillations. You may find it convenient to use
tape and cardboard to attach a flag to the top of the
glider you wish to monitor. This will give you a
narrower trigger for the photogate.
Simple harmonic motion is easily studied using a
single glider as shown in the following illustration.
The rubber band bumper, supplied with the air track,
allows you to connect one or two springs to the glider,
to examine the effects of variation in spring constant.
A hanging weight, using the pulley supplied with the
air track, will provide a constant force to maintain
tension on the springs.
better
ways to
teach physics
012-02883D
(SIDE VIEW)
(TOP VIEW)
Adjustable
Endstop
Rubber Band
Bumpers
Pulley
Mass
Additional Use for the PASCO Coupled
Harmonic Oscillators
Attach the PASCO Model WA-9753 Wave Driver II
or SF-9324 Mechanical Wave Driver along with the
PASCO Model PI-9587A Digital Function Generator
and you can drive the coupled oscillators at fixed and
measurable frequencies.
Additional Equipment for the PASCO Air
Track
Limited Warranty
PASCO scientific warrants this product to be free from
defects in materials and workmanship for a period of
one year from the date of shipment to the customer.
PASCO will repair or replace, at its option, any part of
the product which is deemed to be defective in material or workmanship. This warranty does not cover
damage to the product caused by abuse or improper
use. Determination of whether a product failure is the
result of a manufacturing defect or improper use by the
customer shall be made solely by PASCO scientific.
Responsibility for the return of equipment for warranty
repair belongs to the customer. Equipment must be
properly packed to prevent damage and shipped
postage or freight prepaid. (Damage caused by
improper packing of the equipment for return shipment
will not be covered by the warranty.) Shipping costs
for returning the equipment, after repair, will be paid
by PASCO scientific.
PASCO offers a complete line of air track timing
systems and accessories. Time your gliders with
computer driven or stand-alone photogates, or a spark
timer. And if you would like the capability of launching gliders with a repeatable impulse, you'll be interested in PASCO's Electric Launcher. For more
information, check our catalog or call toll-free at
1-800-772-8700.
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