A force is...

• An external action that can cause a

  deformation of a body or change its original state.

• the force to which a body is subjected in a given area and which tends to strech it, crush it or cut it among others.

A ______ is the force to which a body is

subjected in a given area and which tends to

strech it, crush it or cut it among others.

In compression there are...

• Two forces that have the same way but

  opposite direction.

• Two forces that have the same way and direction.

• Two forces that have the oposite way and direction.

• Two forces that have the oposite way and same direction.

The image corresponds to a...

• compression stress

• tension stress

• bending stress

• torsion stress

When a cloth is squeezed out, a _______ stress is produced.

A shear stress tends to...

• bend a material

• twist a material

• cut a material

The seat of a swing is subjected to...

• Torsion

• Bending

• Compression

• Shear

The chains (1) of a swings are subjected to...

• Compression stress

• Torsion stress

• Tensile stress

• Buckling

The upper bar (3) is subjected to...

• Torsion

• Tension

• Bending

When a colum is very long or slender, it can bent slightly in the middle because it is subjected to _______ stress