Monday, October 15, 2012

Surfing For To Lift Up?

Joseph asks…How to lift up a log?Think of lifting a log at the log station in a fitness corner.

If the moment generated by the force exerted is equal to the moment generated by the weight of the log, can we lift the log up?

Does the moment generated has to be greater than the moment generated by the log in order to lift the log up? Or the log will be lifted up once the moments are equal?
One end of the log is fixed at a pivot point.Nancy answers:Chris above is correct about the need to

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