A rectangular plane surface is 1.9 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the total resultant force (in kN) on the plane surface when its upper edge is horizontal and 2.1 m below the free water surface. b) A rectangular plane surface is 1.6 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the position of center of pressure (in m) on the plane surface when its upper edge is horizontal and 2.2 m below the free water surface. Measure the center of pressure from the free water surface. c) A plastic cube of dimension
A rectangular plane surface is 1.9 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the total resultant force (in kN) on the plane surface when its upper edge is horizontal and 2.1 m below the free water surface. b) A rectangular plane surface is 1.6 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the position of center of pressure (in m) on the plane surface when its upper edge is horizontal and 2.2 m below the free water surface. Measure the center of pressure from the free water surface. c) A plastic cube of dimension
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
a)
A rectangular plane surface is 1.9 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the total resultant force (in kN) on the plane surface when its upper edge is horizontal and 2.1 m below the free water surface.
b)
A rectangular plane surface is 1.6 m wide and 2.5 m deep. It lies in vertical plane in water. Determine the position of center of pressure (in m) on the plane surface when its upper edge is horizontal and 2.2 m below the free water surface. Measure the center of pressure from the free water surface.
c)
A plastic cube of dimension L and specific gravity of 0.74 floats in water. Compute the metacentric height.
Transcribed Image Text:a)
A rectangular plane surface is 1.9 m wide and 2.5 m deep. It lies in vertical plane in
water. Determine the total resultant force (in kN) on the plane surface when its upper edge
is horizontal and 2.1 m below the free water surface.
b)
A rectangular plane surface is 1.6 m wide and 2.5 m deep. It lies in vertical plane in
water. Determine the position of senter of pressure (in m) on the plane surface when its
upper edge is horizontal and 2.2 m below the free water surface. Measure the senter of pressure
from the free water surface.
c)
A plastic cube of dimension L and specific gravity of 0.74 floats in water. Compute the metacentric
height.
Air with a specific weight of 11.8 N/m and a dynamic viscosity of 1.4 x 105 Pa.s fiows through the shaded portion of the duct shown
below at the rate of 119 mn. If a = 51 mm, b = 93 mm and c= 46 mm. calculate the hydraulic radius in mm.
25 mm inside
diameter,
5 mm thickness
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