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Re: Physics Quiz 12
Quote:
Originally Posted by Ether
... and the force on the D roller is downward (perpendicular to the rail)
Double-check that 632N number.
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Whoops, thanks for clarifying the direction. Of course the force can only be down on the roller...
But I can't find the issue with 632N. The left over torque is -948 N*m and the torque arm from A to D is 1.5 m. no?
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2014: EtaBot - MWR/30th place/no PO
2015: ThetaBot - MWR/30th place/no PO, R2OC/Winners, IndyRAGE 5th Alliance, WMRI QF
2016: IotaBot - MWR/16th place/QF, R2OC/7th Alliance Captain/QF, Boiler Bot Battle/6th place/Finalist
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Half your robot could be broken, some drive chains snapped, a drive motor burned out, etc... and your WCD will still be trucking. - AdamHeard [more] 
15-03-2016, 20:49
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