Weight of an astronaut and his space suit on the Earth is 60 kgf and 30

Question

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:

Options:

A . 15 kgf

B . 10 kgf

C . 5 kgf

D . 20 kgf

Answer: Option A
:
A
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 ofthe 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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