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International Edition---engineerin...

4th Edition
Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
ISBN: 9781305501607
Chapter 1, Problem 1.1P
Textbook Problem

A person weighs 30 lb on the moon, where g = 5.32 ft/s 2 . Determine (a) the mass of the person; and (b) the weight of the person on earth.

Expert Solution
To determine

(a)

The mass of the person.

Answer to Problem 1.1P

The mass of the person is 5.64 slug.

Explanation of Solution

The person weighs 30 lb on the moon, where g=5.32ft/s2.

Calculation:

Weight of one unit of mass is:

   W=mg m=Wg=305.32 =5.64slug

Conclusion:

The mass of the person is calculated using one unit of mass and then the ratio is calculated.

Expert Solution
To determine

(b)

The weight of a person on earth.

Answer to Problem 1.1P

The weight of a person on earth is 181.61 lb.

Explanation of Solution

The mass of the person is 5.64 slug.

Calculation:

Weight of one unit of mass is,

   W=mg W=5.64×32.2 =181.61lb

Conclusion:

The weight of the person on earth has calculated using one unit of mass and then multiplied with the mass of a person.

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Chapter 1 Solutions

International Edition---engineering Mechanics: Statics, 4th Edition
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