Questions Flashcards
_________ describes the uses the object has
Function
Fill in the blank
________ describes the shape and appearance
Form
What is the function of a chair
To sit on
What is the function of a pencil
To write with
A __________ is anything made of parts that are put together in a specific way for a specific purpose
Structure
What are three different types of structures
Solid
Frame
Shell
What type of structure is a igloo
Shell
What type of structure is a spider web
Frame
What type of structure is a hammer
Solid
How would you strengthen a styrofoam cup so it wouldn’t collapse when books are placed on it
Make the cup into a solid
Eg. Put clay in it
A force is a ______ or _______
Push
Pull
Forces are classified as _______ and ________
External
Internal
True or false
Magnitude of forces affect structures
True
Name four types of internal forces
Sheer
Tension
Compression
Torsion
Name six examples of external force
Gravity Wind Natural disasters Water Push Pull
What are the factors of a force
Magnitude ( size of force)
Direction
Point of application
Plane of application
Total load = ________+_________
Static load + dynamic load
Where is the weakest point of a bridge
Why??
The centre because there is less support there
__________ is a force that squeezes or presses together
Compression
_________ is a force that stretches apart or expands length
Tension
_______ is a force that pushes in the opposite direction
Sheer
________ is a force that twists
Torsion
Which shape is the strongest structural wise
The triangle
Study the 11 definitions of the different structures and supports
I was too lazy to type them out
