Answer: 1.98 × 10^4 N
Explanation:
Form similar triangle ADE and ABC
a/x= 2/3, a=2/3x
Width of the strip w= 2(4+a) = 8+2a
W= 8 +2 (2/3x)= 8+4/3x
Area of the strip = w Δx
(8 +4/3x) Δx
Pressure on the strip p= pgx= 10^3 ×9.81x= 9810x
But,
Force= Pressure × area= 9810x × (8+4/3x)Δx
Adding the forces and taking lim n to infinity
F total= lim n--> infinity E 9810x × (8+4/3x)Δx
Ftotal= Integral 2,0 9810x × (8+4/3x)Δx
F total= 9810 integral 2, 0 (8+4/3x)dx
= 9810(8+x^2/2 + 4/3x^3/3)2,0
=9810(4x^2 + 4/9x^3)
=9810(4x2^2 + 4/9×2^3-0)
=9810(16 + 32/9)
Hydrostatic force as an integral
Ft= 19.18 ×10^4N
C. seems like the best answer. i may be wrong so don’t quote me on that
they're essentially the same thing so i'd say yes
Explanation:
The stress strain curve for polymer describe by following type
1.Ductile
These material have good ductility and showing the yield point in the stress strain curve.These material shows necking before fracture point.These materials are steel ,aluminium etc
2. Brittle
These material are hard and does not showing yield point.They break without showing any indications.These materials are glass,cast iron etc.
3. Elastomer
These materials are showing property like rubber.Steel is more elastic as compare to rubber.
In the diagram different type of polymeric materials are showing.
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