A body of mass 0.02 kg falls from a heig...

A body of mass 0.02 kg falls from a height of 5 metre into a pile of sand. The body penetrates the sand a distance of 5 cm before stoping. What force has the sand exerted on the body ?

1.96N

`-19.6N`

`-0.196N`

0.0169N

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