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2 cards from this section. Quick, good the night before a test.
What is stable equilibrium?
Think about objects that can easily right themselves.
Give an example of unstable equilibrium.
Consider how easily it can be knocked over.
What happens to a system in unstable equilibrium when disturbed?
Consider how easily disturbed objects behave.
True or False: A marble on a flat surface is an example of stable equilibrium.
Think about what happens when you push it.
Derive the moment equation for a rigid bar connected to a spring at different angles. Discuss how this affects stability.
Use trigonometric identities to facilitate your derivation.
Assess a scenario where an engineered structure falls due to unstable equilibrium. What could have been done to prevent it?
Reflect on real-world examples of structural failures.
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