The curved gate AB as shown in the figure is subjected to hydrostatic force. 5 m 3 m P Hinge А !15 m 15 m C 1. Determine the horizontal component of the total hydrostatic force acting on the gate. 2. Determine the vertical component of the total hydrostatic force acting on the gate. 3. Determine the magnitude of the force P applied at the top of the gate to maintain equilibrium.

Q: Determine degree of static indeterminacy

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Q: Determine the angle e between the lines AB and AC. В (4, 3, –1) m A (5, –1,3) m

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Q: Determine the angle e between the lines AB and AC. В (4, 3, –1) m A (5, -1, 3) m C

A: Given: AB →= 4 i→+3 j→-1 k→AC →= 5 i→-1 j→+3 k→

Q: Determine degree of static indeterminacy

A: Given data : Number of member (m)=14 Number of external support reaction=2+1=3 Number of Joint(J)=8

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A: To find : Ix and Iy

Q: The moment about point O in the figure shown is equal to zero. Find the angle (0) 2.5d 1.5d

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Q: Find the moment of inertia for the section to the right.

A: Solution:- Let the distance of centroid of various section in X- direction are x1, x2, x3. and the…

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Q: 3.) At the interior hinge 10 9. 6.

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Q: Degree of static indeterminacy Th

A: Given data : Number of member (m)=7 Number of external support reaction (R)=1+3+3+2=9 Number of…

Q: uld be (+) that means up not down

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Q: D. AB

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Graphical Methods

The graphical method is a method of solving equations involving more than one variable using the Cartesian coordinate system. In civil engineering, the use of the graphical method is limited to the problems involving two variables. The graphical method has a great impact in solving the questions regarding engineering mechanics.