Question
Asked Nov 26, 2019
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A scale reads 100 N when a piece of aluminum is hanging from it. What does it read when it is lowered so that the aluminum is submergered in water?

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Expert Answer

Step 1

Weight on scale reads 100 N.

Using the Archimedes principle,

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Weight of water displaced Weight in water Weight on scale Weight in water = Weight on scale - Weight of water displaced 100N-(Vp)ater

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Step 2

Condition for completely submer...

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-Volume of water displaced Volume of aluminium = 100N [2] V. vater (Patua iniua 100N 10 kg g X 1g 10 m cm (9.8m/s*) 2.7 cm3 3.77 x10 m3

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