Question

Why it is difficult to walk on sand?
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Answer 1

Explanation:

sand is soft and loosely held and marshy soil is wet and slippery which reduce the friction so,When we walk on the sand we push the sand with our feet but the sand yields, i.e., it does not react back with the same force because of less friction. That is why it is difficult to walk on sand or marshy land.

Answer 2

Sand is soft and loosely held and marshy soil is wet and slippery which reduce the friction.so when we walk on sand we push the sand with our feet but the sand yield i.e, it does not react back with the same force because of less friction.