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You are watching: 60 kg on earth is how much on the moon

I"m writing a trivia quiz and also intend this question, which days from a high school tennis2007.org test I absorbed 1972. One astronaut advice the scale at 60 kg when on earth, what will certainly she it is in if she measures on the range on the moon? prize 60 kg.Kg measures mass, i m sorry is constant.The inquiry is no in pounds, or ask about weight. Yes, that is a trick question, but I think it is an entertaining one. The point is, I"ve looked around the internet and also the discussion all focus on in typical usage, load is mass and nobody knows what a Newton is.I"m certain of my answer, however I"d prefer to be prepared for some blowback.

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asked january 21 "20 at 2:07

WherryWillieWherryWillie
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The answer counts on the form of tool you are enabled to usage for the measurement. The two varieties are:

Weighing maker type

Beam Balance type

This tool (weighing machine) procedures the downward force used by the object and then divides the by $g$. The is if your body uses a force of $W$ top top the scale then the range would present a worth of $W/g$. This is due to the fact that $mg=W$ top top earth. But say you space on moon and also the maker is celebrated for earth then the body uses applies a force say $W"$ climate the reading presented by the scale would it is in $W"/g$. Now on moon $a=g/6$. Because of this the scale would show a analysis of around $m/6$ i.e., this machine on moon procedures $10kg$ for a body of $60kg$ on earth.

This instrument (beam balance) functions on the principal of moments and therefore for same arm length it procedures the fixed of the body. For this reason if you space using this instrument then the worth would be exact same wethere you space on moon or earth.

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edited Jun 4 "20 at 16:03

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answered jan 21 "20 in ~ 4:43
user249968user249968
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Unfortunately, scales execute not measure up mass. They measure up the force applied by the mass, under the influence of the local gravity. The fact that they space labelled in "mass" is irrelevant. All that happens is that the readout is "adjusted", so that 588 N is shown as 60 kg.

Hence, ~ above the moon her scales will certainly show about 10 kg.

See more: How Many Pounds Of Shrimp Per Person For Appetizer, Best Ways To Prepare Perfect Shrimp

EDIT

I disagree with the comments: also if you room using balance scales, you space measuring force, not mass. Think about the following 2 graphics

The very first shows a typical balance, the 2nd an unequal-arm balance. In the 2nd image, it makes no sense to say that 30 kg balances 60 kg. The balance is achieved by having equal torque (moment the rotation) ~ above both sides. Torque is given by $\tau=r\times F$ where $F$ is force, not mass. Hence balance is completed by using pressures of 588 N and also 294 N.

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edited jan 23 "20 in ~ 5:29
answered january 21 "20 in ~ 2:21

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