What are the three types of structures?
Mass structure, Shell structure and Frame structure
What is an external force?
Force on the outside of a structure.
What is a fastener?
Something that joins two materials together.
What is a structure?
Something that has a shape and size with a function.
What is an internal force.
Force on the inside of a structure.
What does "function of a structure" mean?
It means, what is its purpose
What is a frame structure? Give an example
Made of connected parts
e.g., a human skeleton
What force is always acting on us?
gravity!
Name all four types of bridges
1. Arch Bridge
2. Suspension Bridge
3. Beam Bridge
4. Truss Bridge
Give an example of a natural and manufactured structure. Compare and contrast.
Natural: made by nature
Manufactured: made by humans
List all the internal forces.
Tension,torsion,shear,compression and bending
What static load?
A load that does not move.
Do you think structures are important to our daily lives? Explain.
No exact answer. Your opinion.
List out one of the external force that appears in your daily life (not gravity)
Wind
The point around which a structure's mass is equally balanced in all directions.
Centre OF Gravity