Tension, Shearing and Compression Stresses

Procedure:
  1. Put three or four layers of different colored play dough or clay flat on top of each other to form one long large block.
  2. Cut (pushing down vertically) the multilayered block into three equal and similar looking parts.
  3. Draw and describe the three undeformed blocks of multicolored play dough
  4. Place the palms of your hands on either end of one block (one on the right side and one on the left side) of dough and slowly push.
  5. Draw and describe the block of play dough after you pushed it inward.
  6. Take a second block of multicolored play dough. Hold onto each end (one hand on the right side and one hand on the left side) and slowly pull the block outward.
  7. Draw and describe the block of dough after you pulled it apart.
  8. Take the third block of multicolored play dough and place the block on wax paper on your desk.
  9. Hold onto the right side of the block with one hand and the left side with your other hand.
  10. Push one end of the dough towards the top of your desk, while pushing the other end towards the bottom of your desk.
  11. Draw and describe this block of dough after you pushed and pulled the ends one towards the top of your desk and the other towards the bottom.
Step 1: Layer play dough Step 2: Cut play dough Step 4: Apply pressure
 

Step 6: Pull the block outward

Step 9 & 10: Push one end towards the top of your desk, while pushing the other end towards the bottom of your desk.

 


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