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Chapter 6: Q.17 (page 155)

A woman has a mass of 55 kg.

a. What is her weight while standing on earth?

b. What are her mass and her weight on Mars, where g = 3.76 m/s2 ?

Short Answer

Expert verified

a. W1=539.55N

b.W2=206.8N

Step by step solution

01

Content Introduction

Inertia is a fundamental feature of all matter, and mass is a quantitative measure of it. It is, in effect, a body of matter's resistance to a change in speed or position caused by the application of a force. The smaller the change caused by an applied force, the larger the mass of the body.

02

Explanation (Part a)

We are given:

g2=3.76m/s2m=55kg

The weight of body is equal to:

W1=m.gW1=55kg(9.81m/s2)W1=539.55N

03

Explanation (Part b)

The mass of the body does not change wherever the body is at.

m=55kgW2=m脳g2W2=55kg(3.76m/s2)W2=206.8N

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