How much the weight of an object on the moon as compared to its weight on the earth? Give reason for your answer.....
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Answered by
16
What is weight?
weight = mass x gravity.
That is weight equals mass times gravity.
Gravity is a force of attraction between any two bodies in the universe. It is directly proportional to product of their masses and inversely proportional to the square of the distance between them.
Gravity is generally measured in terms of acceleration due to gravity, denoted as g. For Earth it is, 9.8 m/s². And for moon, it is about 1.62 m/s².
Illustration:
On Earth, if your weight is 70 kg = W
vW = mass x 9.8
70 = mass x 9.8
Your mass is 70/ 9.8
i.e approximately 7.14
Weight at the Moon, W' = 7.14 x 1.62
Hence, your weight on the surface of the moon is just 11.56 kg.
Conclusion:
Weight of an object on the Moon is very much less than its weight on Earth. But the mass remains same.
Gravity affects weight.
Weight increases with increase in the gravity.
weight = mass x gravity.
That is weight equals mass times gravity.
Gravity is a force of attraction between any two bodies in the universe. It is directly proportional to product of their masses and inversely proportional to the square of the distance between them.
Gravity is generally measured in terms of acceleration due to gravity, denoted as g. For Earth it is, 9.8 m/s². And for moon, it is about 1.62 m/s².
Illustration:
On Earth, if your weight is 70 kg = W
vW = mass x 9.8
70 = mass x 9.8
Your mass is 70/ 9.8
i.e approximately 7.14
Weight at the Moon, W' = 7.14 x 1.62
Hence, your weight on the surface of the moon is just 11.56 kg.
Conclusion:
Weight of an object on the Moon is very much less than its weight on Earth. But the mass remains same.
Gravity affects weight.
Weight increases with increase in the gravity.
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