Mechanical Properties of Matter

Which property describes a material's ability to resist deformation under applied force?

What is the relationship between the cross-sectional area of a material and its strength?

Which of the materials below is likely to exhibit the highest degree of ductility?

What characterizes a brittle material's response to applied force?

Which of the following factors does NOT influence a material's strength?

How does decreasing the temperature of a material generally affect its stiffness?

Which of the following materials would generally be considered both strong and stiff?

If a material is described as being able to be drawn into a wire, that would be an example of:

Which of the following describes the behavior of electron clouds when intermolecular distance decreases?

What is the primary distinction between cohesive and adhesive forces?

Why does mercury not wet glass?

What best describes surface tension?

Surface tension is defined mathematically as:

What happens to the surface tension of a liquid when the temperature increases?

Considering surface tension, what is a capillary tube?

How does the solubility of a substance generally affect the surface tension of water?

What is the effect of impurities on the surface tension of a liquid?

Why are some insects able to walk on the surface of water?

What distinguishes laminar flow from turbulent flow in fluid dynamics?

A steel needle can float on water due to surface tension, even though steel is denser than water. What is the primary reason for this phenomenon?

If the surface tension of a liquid is $0.05 , Nm^{-1}$, which of the following best describes the work required to increase the surface area of a soap film formed by it?

What distinguishes plastic deformation from elastic deformation?

Which point on a stress-strain curve indicates that the material will no longer obey Hooke's Law?

If a material is stretched beyond its elastic limit, what behavior will it exhibit?

What is the SI unit for Tensile Stress?

What is represented by the ratio of extension to original length of a material?

Which of the following is the Young's Modulus a ratio of?

Which point indicates a material is permanently stretched with a permanent increase in length, after the stretching force is removed?

If you apply a force of $100 N$ to a wire with a cross-sectional area of $0.01 m^2$, what is the tensile stress on the wire?

What is the primary nature of intermolecular forces?

How does the distribution of charges affect intermolecular force when molecules are at a relatively large distance?

What is the relationship between cohesive forces and the state of matter?

What characterizes shear forces?

A washing line extends 42 mm under a load of 72 N. If the Young's modulus remains constant, and the breaking load is 240 N, what expression calculates the extension at the breaking point?

A wire made from a metal has a diameter of 0.15 mm and a length of 2.5 m. Under a stress of 200 MPa, which calculation determines the wire's extension, given Young's modulus?

How does adhesive force differ from cohesive force?

If two materials, X and Y, are stretched until they break, and material X has a greater Young's modulus than material Y, what does this indicate?

Which of the following materials is most likely to be classified as brittle?

What is the defining characteristic of an elastic material?

A material extends by 0.05m when a force of 10N is applied. Assuming it obeys Hooke's law, what is the spring constant $k$?

What happens to an elastic material when it is subjected to a force beyond its elastic limit?

Which of these factors influence the extension of an elastic material when a force is applied?

What is the significance of point 'M' on a stress-strain curve?

Which of the following materials is most likely to be classified as plastic?

What is the relationship between extension and applied force in a material that obeys Hooke's Law?