Gravity on Moon: How Much Weight Can a Person Lift?

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SUMMARY

A person who can lift 60 kg on Earth can lift approximately 10 kg on the Moon due to the Moon's gravity being 1/6th that of Earth's. The calculation involves using the force exerted by the person, which remains constant regardless of location. The correct approach is to apply the formula M = F/(g/6), where F is the force exerted and g is the gravitational acceleration on Earth. This leads to the conclusion that the lifting capacity on the Moon is significantly reduced compared to Earth.

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MoniMini
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Hello,
We had a Science test today and just after the test the teacher gave out the
answers to all questions. I had a doubt which I wanted to ask. Hope you can help
me...

Homework Statement


A person can lift 60 kg of weight on the Earth. How much weight will
the respective person be able to lift if he is on the Moon?

a) 6kg b) 10kg c) 360kg d) 60kg


Homework Equations


I have always known that the gravity of the Moon is 5/6 times less than the Earth
i.e. 1/6 of the Earth.



The Attempt at a Solution


So, following the above equation, if a person is able to lift 60kg on Earth he should be
able to lift (60 * 6)kg i.e. 360kg of weight. That's what I think, but according to my teacher
the answer should be 10kg as 60 * 1/6 = 10. I have not asked her doubt yet.

Merci beaucoup!
¬MoniMini
 
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Hi MoniMini,:smile:

You are absolutely right. The man can exert F=60*9.8 N force, both on the Earth and on the Moon. That force can balance M=F/(9.8/6)= 6*60 kg mass on the Moon. Ask the teacher if he can hold only a mass of zero kg at zero gravity?

ehild
 

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