18.1 - Introduction; Discrete Rigid Bars
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Practice Questions
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Define stable equilibrium.
💡 Hint: Think about how objects respond to pushes.
What does neutral equilibrium mean?
💡 Hint: Consider how a ball might behave on a flat surface.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is stable equilibrium?
💡 Hint: Think about everyday objects that return to where they started.
True or False: Neutral equilibrium means the system moves away from its original position.
💡 Hint: Consider how a marble behaves on a flat surface.
1 more question available
Challenge Problems
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Given a rigid bar with a spring at one end, calculate the conditions for stable equilibrium under a given load.
💡 Hint: Consider the sum of moments about the pivot point.
Discuss the implications of designing structures with low natural frequency.
💡 Hint: Explore examples of structures affected by dynamic loads.
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