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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The cross section of a dam wall is an arc of a circle of radius R = 20 m subtending on angle of θ = 60 degree at the centre of the circle. The centre (O) of the circle lies in the water surface. The width of the dam (i.e., dimension perpendicular to the figure) is b = 10 m.

The cross section of a dam wall is an arc of a circle of radius R = 20 m subtending on angle of θ = 60 degree at the centre of the circle. The centre (O) of the circle lies in the water surface. The width of the dam (i.e., dimension perpendicular to the figure) is b = 10 m.

each having cross sectiona area a. The height dference between them is equal to h. Find the resultant force of reaction of water flowing out of vessel. On the opposite sides of a wide vertical vessel filled with water two identical holes are opened