You should go here for these kinds of questions:
There's probably a few guys around here that can help you with this question, but PHF is the place to be.
I need to know how much effort in newtons required to lift a platform. Total length 1.900 m. Pivot point .250mm from one end. An hydraulic ram attached at the end (.250mm from the pivot) Total weight spread evenly over the platform 60kg. The platform will lift from horizontal to vertical