Easy Drag Experiments: Materials and Methods for Beginners

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SUMMARY

This discussion focuses on conducting simple drag experiments using accessible materials and methods. Participants suggest creating a rudimentary wind tunnel using tubing or a box combined with a hair dryer to generate airflow. A Newton meter can be utilized to measure the force exerted on various objects, allowing for comparisons of drag based on shape rather than material. The key takeaway is that the shape of the object significantly influences drag, more so than the material composition.

PREREQUISITES
  • Basic understanding of physics principles, particularly forces and drag.
  • Familiarity with using a Newton meter for force measurement.
  • Knowledge of constructing simple experimental setups, such as wind tunnels.
  • Awareness of how shape affects aerodynamics and drag coefficients.
NEXT STEPS
  • Research methods for building a DIY wind tunnel using household materials.
  • Learn about the principles of drag and how to calculate drag coefficients.
  • Explore different shapes and their impact on drag in fluid dynamics.
  • Investigate the use of various measuring devices for experimental physics.
USEFUL FOR

This discussion is beneficial for physics students, educators conducting experiments, hobbyists interested in aerodynamics, and anyone looking to understand the principles of drag in a practical context.

jerz211
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Are there any simple drag experiments (one with limited knowledge in physics and expensive equipment) can conduct?

Perhaps one with which involves varying materials.
 
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wind tunnels!
 
Well in your previous post I mentioned dropping in water (because then you know you have a constant force of m*9.81). You could make a very rough windtunnel as well (hell you could just use some tubing/a box and a hair dryer) and then attach something to a Newton meter (or any other gadget that measure force) and measure the force for a constant wind (and then just swap out whatever you're blowing against and compare the relative forces). As was mentioned before the most important factor in drag will not be what the thing is made of but what its shape is (a metal cube and a jet fighter are both made of metal but experience substantially different levels of drag)
 

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