Structures Flashcards
1
Q
Scientists and engineers study different materials and decide which ones are the best for making structures out of.
A
Structures
2
Q
List three mass structures
A
Mass structures
Frame structures
Shell structures
3
Q
When a force is placed on an object there are three things that can happen to it if it’s free to move
A
- Speed up
- Slow down
- Change direction
4
Q
Examples of external forces:
A
Weight of something people,objects
Weight of structure itself
Weather wind,snow,etc
Impact of something colliding
