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The horizontal component of force on a curved surface is equal to the

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NPCIL SA/ST ME GJ Held on 08/11/2019, Shift-1
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  1. Product of pressure at its centroid and area
  2. Weight of liquid retained by the curved area
  3. Force on a vertical projection of the curved surface
  4. Weight of liquid vertically above the curved surface

Answer (Detailed Solution Below)

Option 3 : Force on a vertical projection of the curved surface
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Detailed Solution

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Explanation:

Capture65

Horizontal component

  • The Horizontal component of the total pressure force is equal to the total pressure force on the projected area of the curved surface in the vertical plane.

Vertical component

  • The vertical component is equal to the weight of liquid supported by the curved surface upto the free liquid surface.
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