Question

4. It is Painful to walk barefooted on the ground covered with edged pebbles. Why ?

Answer 1

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While walking, when the entire weight of our body get supported on the sharp edge of any pebble, it is exerts a large pressure on our feet due to reaction. This causes considerable pain on our feet.

The other reason must be that our weight acts as a large amount of Force acting on a small surface area which causes to create a very large amount of Pressure and this pressure will lead to pain.





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Hope this helps. . . . . . . . ☺☺☺

Answer 2

Weight acts as a large amount of force acting on a small surface area which causes to create a very large amount of pressure and this pressure will lead to pain