20250304

Select the correct description about the static determinacy for A and B.

• A: statically determinate

  B: statically indeterminate to the first degree

• A: statically indeterminate to the first degree

  B: statically determinate

• A: statically indeterminate to the first degree

  B: unstable

• A: unstable
  B: statically determinate

Which of the following best defines a statically indeterminate structure?

• A structure that can be fully analyzed using only the equations of static equilibrium.

• A structure that has more unknown forces than available independent equilibrium equations.

• A structure that lacks any form of redundancy in its support system.

• A structure that is inherently unstable under any load.

Member BC are perpendicular to AB. Compute the magnitude of reactions at A.

Member BC are perpendicular to AB. Compute the magnitude of reactions at A.

A is fixed support, C is a roller support and B is a pin connection. Determine the reactions at A.

A is fixed support, C is a roller support, and B is a pin connection. Determine the shear at B.

Which method is commonly used for analyzing statically indeterminate structures?

• Using only free body diagrams and equilibrium equations.

• Applying numerical methods exclusively without any physical assumptions.

• Implementing compatibility conditions in addition to the equilibrium equations.

• Assuming the structure is determinate and neglecting additional unknowns.