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Structures are found in natural and human-made environments.
Key Concepts:
Structural forms.
Function and design of structures.
External and internal forces act on structures.
Key Concepts:
Material strength and flexibility.
Forces on and within structures.
Direction of forces.
Structural stability.
Modes of failure.
Performance requirements.
Structural strength and stability depend on the properties of different materials and how they are joined together.
Key Concepts:
Deformation.
Joints.
Material strength and flexibility.
Structural stability.
Structural are designed, evaluated, and improved in order to meet human needs.
Key Concepts:
Margin of safety.
Structural stability.
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