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Gravitational force on the surface of mo...

Gravitational force on the surface of moon is `1//6` as strong as gravitational force on the earth. What is the weight in newton of a 10 kg object on moon and on the earth ?

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Mass of an object remains constant. It does not change on moon or on the earth. Hence mass of the object on moon and on the earth is 10 kg.
On earth
`W = m xx g`
`W = 10 kg xx 9.8 ms^(-2)`
`W = 98 N`
On moon
Gravitational force on moon,
`g. = (1)/(6) xx g`
`= (1)/(6) xx 9.8 ms^(-2)`
`= 1.63 ms^(-2)`
Weight, `W_(1) = m xx g.`
`W_(1) = 10kg xx 1.63 ms^(-2)`
`= 16.3 N`
Thus, weight of the object on the earth is 98 N and its weight on the moon will be 16.3 N.
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