Question

why is it difficult to walk on sand?

Answer 1

because there is more space between the particles of sand ..

while we step in the sand , the particles of sand a bottom spread throughout the area and cover at top so it is difficult to walk on sand

Answer 2

Explanation:

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IT is difficult to walk on dry sand because dry sand have less friction.

as we pressed against the sandy ground

in backward direction.the sand gets pushed away and we get very small reaction from the ground makes it difficult to walk on sand.

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