Question

A man fallin from height recieves more injury when he falls on a cemented floor rather than when he falls on a heapof sand explain give reason

Answer 1

Heap of sand acts as a shock absorber as it is not rigid.

It reduces the momentum of the falling body as it absorbs the force .

Hence , when man falls on it he experience less force from the ground ( sand ).

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Cemented floor is a hard and rigid body and it do not absorb any shock .

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Hence ,

When the man falls on the cemented floor he gets more injured as compared to the heap of sand.