A semicircular gate having a radius of 1.2 m and weighing 12 kN can swing about its diameter which is kept...

The figure shows a rectangular flash board AB which is 4.5 m high and is pivoted at C. What must be the max...

A plane area in the form of a right angle triangle of heigh 'h' is vertically immersed in water with its ve...

If you remember this concept then it is very easy, otherwise watch the videos uploaded on this topic in FM...