M2.2 Stress Strain and Elasticity

What is the unit of measurement for compressive strength?

• N/m

• N/m²

• N/m³

• N/m⁴

What happens to the diameter of a rod in the plastic region when a force is being applied to the material?

• It increases

• It stays the same

• It becomes smaller

• It changes color

What is shown in the diagram?

• Tension

• Compression

• Shear

• Expansion

What is shown in the diagram?

• Tension

• Compression

• Shear

• Expansion

What type of stress tries to slice a body apart by sliding one layer over another?

• Tension

• Compression

• Shear

• Bending

What type of stress does the lower skin of the wing experience when a plane is on the ground?

• Tensile

• Compressive

• Shear

• Frictional

What two types of stress make up torsion?

• Tension and compression

• Bending and pulling

• Twisting and bending

• Pushing and pulling

What type of stress is experienced by a material when it is being stretched?

• Compression

• Tension

• Shear

• Bending

Which property of a material is defined as the ability to withstand an applied load without failure?

• Hardness

• Elasticity

• Plasticity

• Strength

What is the effect on a material's length when it is subjected to compressive stress?

• It changes color

• It remains unchanged

• It decreases

• It increases