1-When analyzing two-dimensional indeterminate beams, one can use a second momen

Question

1-When analyzing two-dimensional indeterminate beams, one can use a second moment equation in addition to the regular three equations from a static analysis to solve indeterminate beam problems, instead of using the deflection equations to get an additional equation.
true
false
2-The number of reactions in excess of the number of equilibrium equations is called the degree of static indeterminacy.
true
false
3-A beam that is continuous over an interior support is called a continuous beam.
true
false
4-The method of superposition is essentially a technique of superimposing simpler statically determinate load patterns on the beam to achieve the same final position and angles of rotation of the deflection curve as caused by the combined loadings and constraints on the beam.
true
false
5-Superposition is also considered the most practical way to solve continuous beam problems, since the differential equations describing the deflection curve are often long and tedious.
true
false

Explanation / Answer

1-When analyzing two-dimensional indeterminate beams, one can use a second moment equation in addition to the regular three equations from a static analysis to solve indeterminate beam problems, instead of using the deflection equations to get an additional equation.
true

2-The number of reactions in excess of the number of equilibrium equations is called the degree of static indeterminacy.
true
3-A beam that is continuous over an interior support is called a continuous beam.

false
4-The method of superposition is essentially a technique of superimposing simpler statically determinate load patterns on the beam to achieve the same final position and angles of rotation of the deflection curve as caused by the combined loadings and constraints on the beam.
true

5-Superposition is also considered the most practical way to solve continuous beam problems, since the differential equations describing the deflection curve are often long and tedious.
true

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