Answer to Question #61928 in Physics for Ram Das

Question

1. what is varignon theorem and prove it.
2. State and prove Hrmis theorem.
3. Find out the elongation of canonical bar under it's self weight.
4. What is poission ratio.
5. What is UTS of material.
6. What is elastic limit and plastic limit of a ductile material.
7. Draw the Stress-strain curve of cast Iron.