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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. - Science

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Question

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.
What pressure is exerted on the ground by the girl standing on one heel ?

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Solution

Area of one stiletto foot = 1 cm2 = 0.0001 m2
Pressure = ?
Weight of the girl = 400 N
`"Pressure" = "Weight"/"Area"`
= `400/0.0001`
= `4 xx 10^6` Pa
Answer: Pressure exerted by one foot of stiletto heel on the ground = 4 × 106 Pa.

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Chapter 3: Gravitation - Very Short Answers 2 [Page 126]

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Lakhmir Singh Physics (Science) [English] Class 9 ICSE
Chapter 3 Gravitation
Very Short Answers 2 | Q 61.3 | Page 126
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