How do you call a method of making weak structures stronger by giving them a triangular shape?

Give an example of tension / traction

What is an influence that can deform a body or change its movement?

What is a strength of a material?

If something is plastic, what does it mean?

This type of stress is caused by the forces that make a body twist

Give an example of an elastic object

Give an example of compression

Give an example of shear

How do you call the physical demands that a body or object must withstand when one or more external forces are applied to it?

If something is rigid, what does it mean?

What is the collection of elements arranged in an optimum way to support a body or an object?

This is a type of a body stress that happens when the forces that act on it flatten it or reduce its length or thickness. It often happens when the structures need to support a weight