Chapter 1- Unit 4 Flashcards
1
Q
Name the 3 S’s of safe structures (3)
A
Should be:
- strong
- stable
- stiff
2
Q
How do structures fail? (3)
A
- bending
- breaking
- buckeling
3
Q
What does it mean when a structure fractures (1)
A
It broke
4
Q
Give 2 eg of things that are ment to break
A
Fishing rod
Diving board
Buildings in earthquake areas
5
Q
If an object bends too much it fails because of lack of _____ (1)
A
Stiffness
6
Q
Should a column be broad or thin and why (2)
A
Broad so that it stays uprightv qnd doest break under weight
7
Q
What is buckeling (1)
A
Breaking
8
Q
What does it mean when a structure toppels over (1)
A
It falls over/ unstable
9
Q
Name 3 reasons why a structure would toopel over (3)
A
- too much weight
- narrow base/broad top
- narrow and tall
10
Q
How do people usually die due to ferries (3)
A
They are unstable due to and overload of people on the top. The rolling of waves then tip the boat over
