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NEST2012PhysicsMechanical Properties of Fluids

Water in a dam is 15 m deep. A horizontal pipe of 4 cm diameter passes through the wall of the dam 6 m below the surface of the water. A plug secures the pipe opening. The frictional force between the plug and the pipe wall is about (Take density of water to be 10^3 Kg / m ^3 and g is 10 ~m / s ^2 .)

Options

  1. A65 N.
  2. B70 N.
  3. C75 N.
  4. D80 N.

Correct answer

C. 75 N.

Step-by-step solution

No solution available.

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