3. The figure below shows a force extension-graph for a metal specimen. Force/N 4 m Proportional limit 250 Fracture 200 150 100 50 0.1 0.2 0.3 0,4 0.5 0.6 Extension/10-3m Calculate: a. The force constant of the specimen. b. The work done in stretching the specimen up to the proportionality limit.
3. The figure below shows a force extension-graph for a metal specimen. Force/N 4 m Proportional limit 250 Fracture 200 150 100 50 0.1 0.2 0.3 0,4 0.5 0.6 Extension/10-3m Calculate: a. The force constant of the specimen. b. The work done in stretching the specimen up to the proportionality limit.
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Transcribed Image Text:3. The figure below shows a force extension-graph for a metal specimen.
Force/N 4 m
Proportional limit
250
Fracture
200
150
100
50
0.1 0.2 0.3
0,4 0.5
0.6
Extension/10-3m
Calculate:
a. The force constant of the specimen.
b. The work done in stretching the specimen up to the proportionality limit.
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