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Astronauts used special equipment during trips to the moon One of their shovels had a mass of 3.8 kg on earth and weighed 8.4 pounds On the moon it weighed 1.3 lbs what was its mass on the moon?
Wiki User
∙ 14y ago
To clarify: You mean "A shovel weighed 8.4lbs on Earth but 1.3lbs on the moon. What is the mass of the Moon?" I don't know about imperial measurements but I know the weight of something is proportional to the mass of the body it is on. 1.3 divided by 8.4 is around 0.1548 NO UNITS. So from that we know that the moon must have a mass of 0.1548 times the mass of the Earth.
The Earth has a mass of 6.0x1024 kg (6 with 24 zeros after it)
6.0x1024 times 0.1548 is 9.288x1023 kg (9822 with 20 zeros after it)
Or do you mean "A shovel has a mass of 3.8kg and weight of 8.4 pounds on Earth. On the Moon it weighed 1.3 pounds. What was it's mass on the Moon?"
That's a much nastier but easier question. The mass on the moon is 3.8kg. This is because the mass of an object is not affected by where it is. It is a property of the object.
Weight is a measurement of a force, gravity in this case. The weight of an object is dependent on both the mass of the object and the strength of the gravitational field it is in. The Moon has a weaker gravitational field that the Earth so things are pulled down with a weaker force (their weight is lower).
This is a nasty question because it sets you up to do a whole load of calculations like the one above but with a whole load of changing between pounds and kilos.
I hope one of these answered your question, try to be more clear about what you're asking in future. Use full sentences and punctuation.
Wiki User
∙ 14y ago
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