Explain why do we find difficult to walk on sand but camel's walk easily on the basis of force and area covered by their feet? 50-70words

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Solution

We know that Pressure = Force/Area

The feet of humans covers very little surface area. The entire weight of the body is concentrated on very little are, thereby, increasing the pressure.

Camels are heavier than humans, but they have large feet which cover more surface area. The weight is hence distributed evenly and pressure is lesser.

Hence, humans sink into sand while camels don't.

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Q. When we walk on sand, our feet sink into it and it is difficult for us to walk, but a camel can easily walk on it because:
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(ii) The pressure exerted by the camel’s body on the sand is large.

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Pls help experts(using technical terms- pressure,force,area)

Why is it difficult to walk on Sand ?
(a) Because Sand is soft and does not oppose motion
(b) Because Sand is soft and opposes motion
(c) Because Sand does not yield high Reaction forces required for Walking
(d) Because Sand yields Reaction forces required for Walking.

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