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Physics/T square and Set square construction materials.


Dear Prof Steve

Which one of the following can be considered as the best material for constructing T square and Set square?
Materials : Plastic, Wood, Aluminium, Glass, Rubber.
Do you consider Non Breakable Glass as a good choice?


Hello Prashant,

I would eliminate rubber immediately. Of the rest, I think Plastic, Aluminium, and Non Breakable Glass would be candidates for best. Sorry, I don't know which the experts in materials engineering would consider best.

I hope this helps,


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Steve Johnson


I would be delighted to help with questions up through the first year of college Physics. Particularly Electricity, Electronics and Newtonian Mechanics (motion, acceleration etc.). I decline questions on relativity and Atomic Physics. I also could discuss the Space Shuttle and space flight in general.


I have a BS in Physics and an MS in Electrical Engineering. I am retired now. My professional career was in Electrical Engineering with considerable time spent working with accelerometers, gyroscopes and flight dynamics (Physics related topics) while working on the Space Shuttle. I gave formal classroom lessons to technical co-workers periodically over a several year period.

BS Physics, North Dakota State University
MS Electrical Engineering, North Dakota State University

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