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# A Girl is Wearing a Pair of Flat Shoes. She Weighs 550 N. the Area of Contact of One Shoe with the Ground is 160 Cm2. What Pressure Will Be Exerted by the Girl on the Ground If She Stands on One Foot - CBSE Class 9 - Science

#### Question

A girl is wearing a pair of flat shoes. She weighs 550 N. The area of contact of one shoe with the ground is 160 cm2. What pressure will be exerted by the girl on the ground if she stands on one foot ?

#### Solution

Area = 160 cm2 (160/10,000 = 0.016 cm2)
Pressure = ?
Weight = 550 N
"Pressure" = "Force"/"Area"
= 550/0.016
Pressure = 34,375 Pa
Answer: Pressure = 34,375 Pa or N/m2.

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#### APPEARS IN

Lakhmir Singh Solution for Science for Class 9 Part 1 Physics (2016 to Current)
Chapter 3: Gravitation
Short Answers | Q: 51.2 | Page no. 125

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Solution A Girl is Wearing a Pair of Flat Shoes. She Weighs 550 N. the Area of Contact of One Shoe with the Ground is 160 Cm2. What Pressure Will Be Exerted by the Girl on the Ground If She Stands on One Foot Concept: Mass and Weight.
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