Home
Class 11
PHYSICS
Define stress and strain....

Define stress and strain.

Text Solution

Verified by Experts

Stress: the restoring force per unit area of deformed body is known as stress.
Strain: strain produced in a body is defined as the ratio of change in size of body to the original size.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    FULL MARKS|Exercise Textual Evaluation Solved - Long Answer Questions|13 Videos

  • PROPERTIES OF MATTER

    FULL MARKS|Exercise Textual Evaluation Solved - Numerical Problems|5 Videos

  • PROPERTIES OF MATTER

    FULL MARKS|Exercise Textual Evaluation Solved - Multiple Choice Questions|15 Videos

  • OSCILLATIONS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (IV NUMERICAL PROBLEMS )|10 Videos

  • SAMPLE PAPER - 2

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

Define strain.

What does slope of stress versus strain graph give ?

Knowledge Check

  • According to Hooke's law of elasticity, if stress is increased, the ratio of stress to strain:

    A
    increases
    B
    decreases
    C
    become zero
    D
    remains constant

  • According to Hooke's law of elasticity, if stress is increased, the ratio of stress to strain:

    A
    increases
    B
    decreases
    C
    become zero
    D
    remains constant

  • In steel, the Young's modulus and the strain at the breaking point are 2 xx 10^(11) Nm^(-2) and 0.15 respectively. The stress at the breaking point for steel is therefore……………. .

    A
    `2 xx 10^(8) Nm^(-2)`
    B
    `3 xx 10^(10) Nm^(-2)`
    C
    `3 xx 10^(12) Nm^(-2)`
    D
    none of these

    • Similar Questions

    Explore conceptually related problems

    The stress - strain graphs for materials A and B are shown in Fig . 9.12. The graphs are frawn to the same scale. (a) Which of the materials has the greater Young's modulus ? (b) Which of the two is the stronger material ?

    A load of 10 kg is suspended by a metal wire 3 m long and having a cross sectional area 4mm^2 . Find a. the stress b. the strain and c. the elongation. Young modulus of the metal is 2.0xx10^11Nm^-2

    A vertical metal cylinder of radius 2 cm and length 2 m is fixed at the lower end and a load of 100 kg is put on it. find a. the stress b. the strain and c. the compression of the cylinder. Young modulus of the metal =2xx10^11Nm^-2

    During water stress and drought conditions……...causes stomatal closure.

    Define volume stress.

    Home
    Profile