Question

the weightvof a body on earth is 180N if it is taken to moon its weight is

Answer 1

It's Pretty simple,

We know that, Weight = Mass*Gravity,
Assuming Gravity = 10 m/s²,
Given that Weight = 180 N

=> 180 = Mass * 10,
=> Mass = 18 kg, 

We know that mass remains constant anywhere we go,

So to calculate weight on Moon , We need to have gravity on moon,

Gravity on moon = 1.622 m/s² ,

=> Weight on moon = 18 * 1.622,
=> 29.196 N,

So therefore the weight on moon if the weight on Earth is 180 N is 29.196 N,
If and only if we assume gravity = 10 m/s²,

But if we assume gravity = 9.8 m/s² Then Weight on moon = 29.791 N,

So, Therefore The weight on Moon if Gravity on Earth is 10 is 29.196 N,
If gravity on Earth is 9.8, Then Weight on Moon is 29.791 N,

Hope you understand, Have a great day !