Weight of an astronaut and his space suit on the Earth is $60 k g f$ and $30 k g f$ respectively. Their combined weight on the Moon will be:

$20 k g f$

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$15 k g f$

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$5 k g f$

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$10 k g f$

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Solution

The correct option is B
$15 k g f$

Combined weight of astronaut and his space suit on Earth $= 60 + 30 = 90 k g f$

Since, Moon's gravity is one-sixth of that of the Earth, the weight of the object on Moon is one-sixth of that on the Earth.

$∴$ the combined weight of the astronaut and his space suit on Moon is $\frac{90}{6} = 15 k g f$

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Weight of an astronaut and his space suit on the Earth is 60 kgf and 30 kgf respectively. Their combined weight on the Moon will be:

Weight of an astronaut and his space suit on the Earth is $60 k g f$ and $30 k g f$ respectively. Their combined weight on the Moon will be: