MadSci Network: Physics
Query:

Re: If two cog wheels were interlocked, one much larger than the other...

Date: Thu Aug 7 06:53:59 2008
Posted By: Jerrold Franklin, Professor Emeritus
Area of science: Physics
ID: 1216615203.Ph
Message:

The torque required for the speed of the tiny cog to approach c would increase without limit so that it could never reach c.
It is the same as trying to push something. The force required to accelerate it increases like 1/sqrt{1-v^2/c^2}.


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