AU23C02 01 01

What is the unit of stress in the International System of Units (SI)?

• Pascal (Pa)

• Newton (N)

• Joule (J)

• Watt (W)

The formula for normal stress (σ) is given by

• σ = F * A

• σ = F / V

• σ = F/A

• σ = A/F

If a material is subjected to a tensile stress of 200 MPa and has a cross-sectional area of 50 mm², what is the force applied?

• 0.1 kN

• 1 kN

• 4 kN

• 10 kN

In the context of stress-strain relationships, the term "Young's Modulus" (E) represents

• The ratio of shear stress to shear strain

• The ratio of tensile stress to tensile strain

• The ratio of lateral strain to longitudinal strain

• The ratio of longitudinal strain to lateral strain

Which law states that the stress is proportional to the strain within the elastic limit of a material?

• Newton's Law

• Hooke's Law

• Bernoulli's Principle

• Pascal's Law