2ºESO Structures

Pick the stress (Selecciona el esfuerzo)

• Traction

• Load

• Force

• Tension

Which is the number 3 stress? (¿Cuál es el esfuerzo nº3?)

• Compression

• Flexion

• Traction

• Torsion

Wind and snow are... (el viento y la nieve son...)

• Fixed loads

• Variable loads

Which is not a stress? (¿Cuál no es un esfuerzo?)

• Flexion

• Bending

• Shear

• Pushing

When a body is subjected to TRACTION stress, it tends to.... (cuando un cuerpo está sometido a Tracción, tiende a...)

• Increase its length (aumentar su longitud)

• Decrease its length (Disminuir su longitud)

Which of these elements are subjected to COMPRESSION stress.....

• A beam (una viga)

• The vertebral column (la columna vertebral)

Stable structures have the center of gravity... (Estructuras estables tienen el centro de gravedad...)

• A- Over the base (encima de la base)

• B- Close to the ground (cerca del suelo)

• A and B are incorrect

• A and B are correct

Which stress is a trampoline subjected to?

• Compression stress

• Flexion stress

• Traction stress

• Torsion stress

The resistance of a structure depends on...

• The material used (el material usado)

• The shape (la forma)

• The amount of material (la cantidad de material)

• All of them (todas son correctas)

In the structures, the stresses are... (los esfuerzos son...)

• Internal tensions

• External tensions

• External forces

• Loads (cargas)