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An elephant weighing 40,000 N stands on one foot of area 1000 cm2 whereas a girl weighing 400 N is standing on one 'stiletto' heel of area 1 cm2. (a) Which of the two, elephant or girl, exerts a larger force on the ground and by how much ? (b) What pressure is exerted on the ground by the elephant standing on one foot ? (c) What pressure is exerted on the ground by the girl standing on one heel ?(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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Answer» An elephant weighing 40,000 N stands on one foot of area 1000 cm2 whereas a girl weighing 400 N is standing on one 'stiletto' heel of area 1 cm2.
(a) Which of the two, elephant or girl, exerts a larger force on the ground and by how much ? |
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