A person falling on cement floor is slightly to get more injury than on a sand.give reason
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Yo! Here's your answer! When a person falls on a cemented floor, the rate of change of momentum is very high because the person is abruptly stopped i.e. stopped in a very small interval of time. Hence the person gets injured due to the application of a large force on his body by to the floor. On the other hand, when a person falls on a heap of sand, the sand yields under the weight of the person. As a result of this, the person comes to rest in a longer period of time. So the change in momentum takes place at longer interval of time. Hence a small force is exerted on the body of the person when he falls on a heap of sand. Therefore, he does not get injured. Hope that this helps you! :)
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