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structures and forces
- form
- Form is the basic shape of a structure.
- Form is the basic shape of a structure.
- function
- A function is the job that the structure does.
- A function is the job that the structure does.
- forces
- A force is a push or pull on a structure.
- point of application
- The force meets the structure.
- The force meets the structure.
- plane of application
- The side of the structure affected by the force
- The side of the structure affected by the force
- A force is a push or pull on a structure.
- Types of Structures
- Natural Structure
- structures made by nature and not by humans. Eg.cave
- natural
- structures made by nature and not by humans. Eg.cave
- Man made structures.
- structures influenced by human beings.eg.bridges.
- soild structure
- solid structures are solid all the way.
- solid structures are solid all the way.
- man made
- structures influenced by human beings.eg.bridges.
- Frame structure
- A frame is made of parts fastened together.
- A frame is made of parts fastened together.
- shell structure
- Shell have space in them and are most strong.
- Shell have space in them and are most strong.
- combination sturcture
- They combine shell,frame and solid structures.
- They combine shell,frame and solid structures.
- Natural Structure
- Types of forces
- External
- Forces come from outside. Eg. wind
- Static load
- The effect of gravity on a structure.
- The effect of gravity on a structure.
- Dynamic load
- Moving load acting on a structure.
- Moving load acting on a structure.
- Forces come from outside. Eg. wind
- Internal
- One part of a structure acting on another. Eg.roof on a house
- compression
- force pressing on something
- force pressing on something
- shear
- force pushing in opposite direction
- force pushing in opposite direction
- tension
- force that stretches apart.
- force that stretches apart.
- torsion
- force that twists.
- force that twists.
- One part of a structure acting on another. Eg.roof on a house
- External
- Design for forces on a bridge.
- Design a structure for loads.
- Design a structure for safety.
- Sensors
- light sensors
- temperature sensors
- sound sensors
- light sensors
- Interesting structures of the world:
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