2nd post

Hello this is our second post.

Structure is a collection of elements arranged in a optimun way to support a body or an object.
here we can see a picture of a well-know structrure:

There are diferents types of structures :

1-Mass structures: These are solid,heavy and very study structure.Exaples include walls,dams.Here you can see an image:

2-Truss structures: These structures are composed of bars that form triangles.They are lightweight and sturdy.Examples include cranes,electricity pylons.Here you can see a image:

3-Frame structures:These structures are formed by columns and beams that act as supporting elements.One example might be the stucture of a builiding.Here youy can see an image :

4-Suspended structures: These are held in place by cables and suspenders atached to sturdy supports.Examples include suspension bridge,tents,markets.Here you can see an image :

Force:is an influence thatcan deform a body o change is movement,or produce motion in a body at rest.

Stresses: are the physical demands that a body or object must withstand when one or more external foces are applied to it