MECHANICS
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33
Free-fall tube Falling bodies apparatus
For demonstrating that the free fall acceleration in a To illustrate that a body impelled horizontally will fall vert-
vacuum is independent of weight and shape of body. ically at the same rate as a similar body allowed to fall
Consists of a acrylic plastic tu be 30 x 900 mm. End - freely. Place two balls one on each end of the swing arm
cover, stop-cock, magnet, steelball and paper disc. and push the release. One ball is dropped and the other
1977.00 Free-fall tube
is launched horizontally, the simultaneous “click” as both
balls hit the floor at the same time proves the point.
Supplied with 2 19 mm dia. balls in the storage pocket.
Dimensions: L 180 mm, W 170 mm, H 50 mm.
1990.00 Falling bodies apparatus
1977.00
1990.00
Free fall apparatus
This apparatus is designed to
be used with an Electronic
Counter to determine the fall
time for a freely falling steel
ball. The apparatus consists
of a release mechanism
which also acts as the start
switch, a strike plate which
1980.10
acts as the stop switch and
gold-plated steel balls. The
Experiment
release mechanism is provi-
E
-
101
ded with two dia. 4 mm bana-
na plug connectors for con-
necting safety dia. 4 mm
banana plug leads to the
Counter start switch input. A
10 mm diameter mounting
rod for supporting the
mec hanism on a lab stand is
supplied. The strike plate is
also provided with two dia. 4
mm banana plug connectors
for attaching this unit to the
Counter stop input.
1980.10 Free fall
apparatus
®
Science Equipment for Education Physics
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