Question

prove that total workdone per unit volume of a material is equal to1/2 time the product of a stress and strain per linear,shear,bulk strain​

Answer 1

Answer:

strain energy=

2

1

×stress×strain

Work done by a force on a wire

W =

2L

Ay(ΔL)

2

=

2

1

(

yA

L

ΔL

)ΔL=

2

1

(y

L

ΔL

)(

L

ΔL

)(AL)

=

2

1

(stress)(strain)(volume)

(Work)/(volume)=

2

1

(stress)(strain)

Option A

Answer 2

Answer:

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