Deformation of Solids
Definitions: Deformation of Solids
Exam question
State Hooke’s law.
9702/23 · May/Jun 2024 · Q3(a)
Model answer
Extension is directly proportional to the applied force, provided that the limit of proportionality is not exceeded.
Exam question
Define: (i) stress.
9702/23 · Oct/Nov 2024 · Q4(a)(i)
Model answer
Normal force per unit cross-sectional area.
Exam question
Define strain.
9702/21 · May/Jun 2024 · Q4(a)
Model answer
The ratio of extension to original length.
Exam question
Define the Young modulus.
9702/22 · May/Jun 2025 · Q5(a)
Model answer
The ratio of tensile stress to tensile strain within the limit of proportionality.
