The size of a rectangle piece is 35ft, ht 4ft, width 12ft, Weight 100 tonnes. It is now in horizontal position. At Point B, we have to lift it. Make it vertical to fit on A. What is the load that is needed to lift to the vertical position?

If you don't know how to answer, don't answer Annalyse. {mod note-Non responsive answer removed-<>}

RohitRectangle your question is unclear. You describe it as a rectangle, but it's a cuboid.

What is B? What is A?
'to fit on A'? What does this mean? Are there two cuboids?