A table of mass 5 kg rests on a horizontal ground by the use of four cylindrical legs each of a circular surface area that is in contact with the ground. each circle has a radius of 3 cm. a- determine the surface area of contact of each leg with the ground b- deduce the total surface area of contact of the four feet with the ground c- deduce the pressure exerted by the table on the ground. d- we put a 2 kg dinner on the table and we removed one of the legs of mass of 0.7 kg. find the new pressure exerted by the table on the ground.

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