FizziksGuy Posted May 7, 2014 Share Posted May 7, 2014 Name: 33. Machines and Energy Category: Energy Date Added: 07 May 2014 - 12:31 PM Submitter: FizziksGuy Short Description: None Provided Paul shows how a simple lever lifts a load, and how Nellie Newton lifts loads with a pulley systems. View Video Quote Link to comment Share on other sites More sharing options...
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