1
Q
what are the two types of supports
A
- external and internal
2
Q
what type of support is a roller
A
- external
3
Q
what reaction forces act on rollers
A
- one force perpendicular to the surface
4
Q
where are examples of roller supports found
A
- in bridges so that the internal forces due to thermal expansion and contraction can be minimized
5
Q
what type of support is a pin
A
- external
6
Q
what type of forces act on a pin
A
- vertical reaction and horizontal reaction forces
7
Q
example of where pin supports can be found?
A
- scissors and staples
8
Q
what type of support is a fixed support
A
- external
9
Q
what forces act upon fixed support
A
- vertical reaction, horizontal reaction and a moment
10
Q
example of a fixed support
A
- tree or lightpole
Structural Analysis
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