3.3 - Equations of Conditions
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Practice Questions
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Define static equilibrium.
💡 Hint: Think about what holds structures stable.
What does an internal hinge do?
💡 Hint: Consider how doors operate.
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Interactive Quizzes
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What must sum to zero for a structure to be in static equilibrium?
💡 Hint: Consider all acting forces.
True or False: An internal hinge provides a moment resistance.
💡 Hint: Think about how hinges work.
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Challenge Problems
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A rigid frame is supported by three beams with varying loads. Using the equilibrium equations, determine the support reactions.
💡 Hint: Identify the applied loads and their locations carefully.
Construct a truss structure with internal hinges and calculate the forces in each member using static equilibrium equations.
💡 Hint: Start with the joints and work systematically through the structure.
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