Question
Asked Oct 31, 2019
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A bag of sugar weighs 1.50 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? 

Repeat for Neptune, where g is 1.44 times that on Earth. 

Find the mass of the bag of sugar in kilograms at each of the three locations.(earth, moon, neptune)

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Expert Answer

Step 1

Let the mass of the sugar bag be denoted by m.

Let the weight of the sugar bag on the earth be denoted by W

From the data given in the problem,

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Step 2

Weight of the bag of sugar on the moon denoted as Wm when the acceleration due to gravity there is 1/6 times that of the Earth is given by,

 

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Step 3

Substitute 0.68 kg for m, 9.81 m/s2 for g and solve for Wm...

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Image Transcriptionclose

(0.68kg)(9.8m/s W 1lb =1.112N 4.45N = 0.2498 1b

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Gravitation

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