Hook's law correlates the:
Correct answer: D. Stress and strain
- A. Force and displacement
- B. Force and extension
- C. Force and compression
- D. Stress and strain
Explanation
Hooke's Law is a principle of physics that states the strain in a solid is proportional to the applied stress within the elastic limit of that material. Mathematically, it can be expressed as Stress/Strain = Constant. This means that the material will return to its original shape after the stress is removed, as long as the elastic limit is not surpassed. The other options mention relationships that are not the fundamental focus of Hooke's Law. While force can influence displacement, extension, and compression, Hooke's Law specifically addresses the proportional relationship between stress and strain.
Last updated
About Young's Modulus and Stress-Strain
Stress and strain describe how a solid deforms under an applied force, while Young's modulus is the ratio of tensile stress to tensile strain within the elastic limit. The topic includes elastic and plastic behaviour, Hooke's law, the stress strain graph and the difference between stiffness, strength and breaking stress.
Practise Physics of Solids
320 free Physics of Solids MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Physics questions like this
Physics is on 9 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A force of 500 N is applied to one end of a cylindrical steel rod of diameter 50cm, the tensile stress is;
A vertical steel wire X of circular cross-section is used to suspend a load. A second wire Y, made of the same material but having twice the length and twice the diameter is used to suspend an equal load. What is the value of the ratio?
A wire is stretched to four times of its length its strain is
If a material becomes more resistant to shear deformation, then shear modulus will
if both the length and radius of the rod are doubled, then modulus of elasticity will: