Question

2. The mass of you 50 kg in the earth, why the
weight of you goes to decrease at moon? Explain.​

Answer 1

Answer:

Mass and weight

Imagine pulling a 50 kg crate across a smooth floor. It's difficult because the mass of the crate is large, 50 kg.

Now think about what happens when you take the same box to the Moon and try to drag it across a floor of just the same type as the one on the Earth – it will be just as difficult because the MASS of the box has not changed. It is still 50 kg.

(Ignore any friction between the box and the floor)

Now imagine LIFTING the crate on the Earth. This time the important thing is the force of the Earth's gravity on the crate. As you know gravity acts downwards. So, lifting up the crate means that we have to move it against the force of the Earth's gravity.

The force of the Earth’s gravity on every kilogram is about 10 N.

Put another way the gravitational attraction of the Earth is about 10 N/kg. (At sea level this attraction is nearer 9.8 N/kg).

We call the force of attraction of the Earth’s gravity on an object the WEIGHT of the object

The weight of an object is a force and is so is measured in Newtons, while the mass of an object is measured in kilograms.

To find the weight of an object you simply multiply its mass (in kilograms) by the force of the Earth's gravity on 1 kg (10N).

Weight (W, Newtons) = Mass (m, kg) x Gravitational field strength (g, N/kg)

On the Earth the weight of our crate will be 50x10 = 500 N

Now imagine taking the crate to the Moon and lifting it up there. Its mass is still 50 kg but the Moon's gravitational pull is only about 1/6 of the Earth's – in other words about 1.6 N/kg. This means that the weight of our crate on the Moon will be 50x1.6 = 80 N and so it will be much easier to lift up.

Since Force = mass x acceleration we could also find the weight of an object by multiplying its mass by the acceleration of free fall. You would get the same numbers as in the examples above because the acceleration in free fall is 10 m/s2 on the Earth and 1.6 m/s2 on

Explanation:

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Answer 2

Explanation:

we know that weight of anything is equal to mg

where m is mass of object which is constant everywhere because mass is amount of matter contained in object.but another term g is a acceleration due to gravity whose value changes everywhere according to formula g=GM/R^2

the mass of moon is less than earth so value of g also be less on moon so that our weight decrease on moon