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Project Work

1. Take a tray with dimensions about 40 cm x 30 cm x 10 cm. Fill it completely with wheat flour and level its surface.

2. Lay down a brick (A) gently on the surface of the flour. Write your observation. Then place another identical brick (B) on top of brick (A). What change do you observe? Write and explain it.

3. Remove both bricks and level the surface again. Now lay down brick (A) and place brick (B) to stand vertically. Write your observations for bricks (A) and (B). Explain the difference in observations of both bricks when placed on the flour.



Answer :

GinnyAnswer

Final answer:

Explanation of observations when bricks are placed on flour surface in different configurations.


Explanation:

Observations:

  • When brick B is placed gently on top of brick A on the flour surface, the flour around brick A gets compressed, creating a depression.
  • When brick B is placed vertically on brick A, brick A sinks down but not as much as when the bricks were placed one on top of the other, showing less compression.

Explanation: When the bricks are stacked, the force of the upper brick is concentrated onto the lower one, causing more compression. When the bricks are placed vertically, the force is distributed over a larger area, reducing the compression.


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