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Force

A body of mas...

Question

A body of mass $M$ is dropped from a height $h$ on a sand floor. If the body penetrates $x c m$ in to the sand, the average resistance offered by the sand to the body is:

A

M g (\frac{h}{x})

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B

M g (1 + \frac{h}{x})

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C

M g h + M g x

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D

M g (1 - \frac{h}{x})

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Solution

The correct option is A $M g (\frac{h}{x})$

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