Mechanical Engineering Exam  >  Mechanical Engineering Questions  >  Young's modulus is defined as the ratio o... Start Learning for Free
Young's modulus is defined as the ratio of
  • a)
    volumetric stress and volumetric strain
  • b)
    lateral stress and lateral strain
  • c)
    longitudinal stress and lateral strain
  • d)
    longitudinal stress and longitudinal strain
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Young's modulus is defined as the ratio ofa)volumetric stress and ...
The linear relationship between stress and strain for a bar in simple tension or compression can be expressed by the equation

in which Eis a constant of proportionality known as modulus of elasticity for the material. The modulus of elasticity is the slope of the stress- strain diagram in the linearly elastic region and its value depends upon the particular material being used.
View all questions of this test
Most Upvoted Answer
Young's modulus is defined as the ratio ofa)volumetric stress and ...
Young's Modulus in Mechanical Engineering

Young's modulus, also known as the modulus of elasticity, is a material property that describes the stiffness of a solid material. It is defined as the ratio of longitudinal stress to longitudinal strain.

Formula for Young's Modulus

The formula for Young's modulus is:

E = σ/ε

Where E is Young's modulus, σ is longitudinal stress, and ε is longitudinal strain.

Explanation

When a material is subjected to a tensile or compressive force, it undergoes deformation. The amount of deformation depends on the magnitude of the force and the properties of the material. The longitudinal stress is the force per unit area applied to the material, and the longitudinal strain is the ratio of the change in length of the material to its original length.

Young's modulus relates the stress and strain of a material under tensile or compressive loading. A material with a high Young's modulus is stiffer and more resistant to deformation than a material with a low Young's modulus.

Units of Young's Modulus

Young's modulus is measured in units of pressure, such as pascals (Pa) or pounds per square inch (psi).

Applications of Young's Modulus

Young's modulus is an important material property used in many engineering applications, such as:

1. Design of structures: Young's modulus is used to calculate the deflection and deformation of structures under load.

2. Material selection: Young's modulus is used to compare the stiffness of different materials and select the appropriate material for a given application.

3. Composite materials: Young's modulus is used to calculate the effective stiffness of composite materials made from different materials.

Conclusion

Young's modulus is an important material property that describes the stiffness of a solid material. It is defined as the ratio of longitudinal stress to longitudinal strain and has applications in many areas of engineering.
Free Test
Community Answer
Young's modulus is defined as the ratio ofa)volumetric stress and ...
Young's modulus is measure of stiffness of elastic material.the ratio of longitudinal stress to longitudinal strain.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
Explore Courses for Mechanical Engineering exam

Top Courses for Mechanical Engineering

Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer?
Question Description
Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering. Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Young's modulus is defined as the ratio ofa)volumetric stress and volumetric strainb)lateral stress and lateral strainc)longitudinal stress and lateral straind)longitudinal stress and longitudinal strainCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
Explore Courses for Mechanical Engineering exam

Top Courses for Mechanical Engineering

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev