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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. - CBSE Class 9 - 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.
Which of the two, elephant or girl, exerts a larger force on the ground and by how much?

Solution

Elephant has larger weight of 40,000 N, so elephant exerts larger force on the ground. Elephant exerts a large force on the ground by 40,000 N − 400 N= 39,600 N.

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APPEARS IN

 Lakhmir Singh Solution for Science for Class 9 Part 1 Physics (2016 to Current)
Chapter 3: Gravitation
Long Answers | Q: 61.1 | Page no. 126

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Solution 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. Concept: Mass and Weight.
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