Better way of holding candle at an angle

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SUMMARY

The discussion focuses on improving the method of holding a candle at various angles during experiments. Participants suggest alternatives to taping the candle, such as using two poles with screw eyes for easy adjustment and removal. A lab clamp is also recommended as an efficient solution, allowing the setup to remain on the scale throughout the experiment while managing wax drips effectively. These methods enhance the efficiency and accuracy of the experimental process.

PREREQUISITES
  • Understanding of basic physics principles related to angles and weight measurement.
  • Familiarity with laboratory equipment, specifically lab clamps and scales.
  • Knowledge of candle combustion and its effects on weight over time.
  • Experience in conducting experiments and measuring variables accurately.
NEXT STEPS
  • Research the specifications and types of lab clamps suitable for holding cylindrical objects.
  • Explore the design and setup of experimental apparatus for measuring weight changes in burning candles.
  • Investigate the use of screw eyes and poles in experimental setups for adjustable positioning.
  • Learn about best practices for conducting experiments involving combustion and weight measurement.
USEFUL FOR

Students conducting physics experiments, educators designing lab activities, and researchers interested in efficient experimental setups for combustion studies.

Jenny Physics
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In one of the experiments I give to my students, they need to set a burning candle at different (fixed) angles.
In the past they have taped the candle to a cup and a needle taped to the cup like in the following picture.
This is quite inefficient because for the same angle they need to tape and un-tape the candle (to measure its weight etc) a few times and each time they need to measure the angle again.
Any suggestions on a better way to do this that doesn't require taping the candle? Perhaps using two poles set at a given distance each with screw eyes on which the candle rests? This way the candle can be slid back and out without having to set the angle again.
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Why not simply use a lab clamp? See for instance http://www.labdepotinc.com/c-75-clamps-clamp-holders.php
 
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Just keep the setup on the scale for the whole experiment and let the wax drip onto something that is not supported by the scale... :smile:
 
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