Q58 of 100 Page 209

Explain why, when a person stands on a cushion, the depression is much more than when he lies down on it.

When a man stands on a cushion then only his two feet (having small area) are in contact with the cushion. Due to this the weight of man falls on a small area of the cushion producing a large pressure. This large pressure causes a big depression in the cushion.


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