Get 65% Discount on Preventive Health Checkup
Career in India        

MHT-CET : Physics Entrance Exam

MHT - CET : Physics - Elasticity Formulae Page 1

‹‹ Previous  |  Formulae Page 1  |  Next ››



 1. Stress

 

Stress = 

Internal restoring force

 = 

Applied force

Area

Area

 

 2. Longitudinal Stress and Volume Stress

 

Longitudinal stress = 

Mg

 where M is a mass attached to a wire of radius r.

pr2


Volume stress = Change in pressure =
D p

 

 3. Shearing Stress

 

Shearing stress = 

tangential force

 = 

F

Area

A

 

4. Longitudinal Strain

 

Longitudinal strain = 

l

 where l is the extension of a wire of length L.  

L

 

5. Volume Strain

 

Volume strain = 

dV

 where dV is the change in volume of an object of volume V.

V

 

 

6. Shearing Strain

 

Shearing strain = q (= tan q).

 

7. Young's Modulus

 

Y = 

MgL

 (symbols have their usual meanings).

pr2l

 

 

8. Bulk Modulus and Compressibility

 

K = 

VDP

 (numerically) (symbols have their usual meanings).

DV

 

Compressibility = 

1

Bulk modulus

 

 

9. Modulus of Rigidity

 

h

F

 (symbols have their usual meanings).

Aq

 

 

10. Lateral Strain

 

Lateral strain = 

DD

 where DD is the change in the diameter D of a wire.

D

 

 

11. Poisson's Ratio

 

s

LDD

DDL

 

 

12. Work Done in Stretching a Wire

 

Work done in stretching a wire = 

1

  force elongation.

2

 

 

13. Strain Energy Per Unit Volume

 

Strain energy per unit volume = 

1

  longitudinal stress longitudinal strain

2

 

1

  y (longitudinal strain)2

2

 

1

  

(longitudinal stress)2

2

y

 

 

 

‹‹ Previous  |  Formulae Page 1  |  Next ››


Career in India | Jobs in India
© All Rights Reserved, indicareer.com | partners | Sitemap