Homework Statement
All masses and radiuses given. (lets say 1m and 1kg for all)
A vertical wheel is free to spin without friction. Mass placed at the edge of the wheel (ie level with the centre) and is released, causing it to accelerate due to torque:
O'question asks what the vertical...
you could try this out:
http://www.rampagingchariots.org.uk/technical/Instruction_Booklet.pdf
pages 55-58 might be of interest to you
they wouldn't give me the (assembly) source code to modify it after i built it a few years ago sadly