The pressure exerted on the ground by a ...

The pressure exerted on the ground by a man is greatest

when he lies down on the ground

when he stands on the toes of one foot

when he stands with both feet flat on the ground

all of the above yield the same pressure`

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An elephant weighing 40,000 N stands on one foot of area 1000 cm^(2) whereas a girl weighing 400 N is standing on one 'stiletto heel of area 1 cm^2 (a) Which of the two, elephant or girl, exerts a (b) What pressure is exerted on the ground by the elephant standing (c) What pressure is exerted on the ground by the girl standing (d) Which of the two exerts larger pressure on the ground : elephant or girl? (e) What is the ratio of pressure exerted by the girl to the pressure exerted by the elephant ?

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