Examen 2º ESO A (3Q)

Which of these is not a structural condition?

• Stability

• All answers are structural conditions

• Economic viability

• Rigidity

Which of the following types of stress supports rigidity?

• All answers are correct

• Compression

• Traction

• Bending

What kind of stress does a pilaster bear?

• Traction

• Bending

• Compression

• Cutting

What is the main function of a beam?

• Aesthetics

• Perform a bending stress effect to improve stability.

• Make a flat base to include an additional floors

• To cover a space between two points

In what dimension is an arc made?

• 3D

• 1D

• 2D

• 4D

What do the buttresses hold?

• Stress

• Force

• Foundations

• Loads

What stresses do load-bearing and retaining walls bear?

• Compression & bending

• Bending & cutting

• Compression & Traction

• Compression & Torsion

Which of these examples of Levers is not a Class 3?

• Pen (when writing)

• Pole vault

• Pincers

• Spade

We have an equal distance to the fulcrum of a lever of 2 and we know that its load is 10, what is the force of the lever?

• 20

• 2

• 10

• 1

If we are in Sicily and we have just received our purchase from the market, which to bring up to our house we will have to exert a force of 40, what is the load supported by the movable pulley?

• 40

• 80

• 60

• 120