How Much Does The Moon Weigh?
Before we answer your question, a little explication on the difference between mass and weight is needed. Mass is a measure of how much inertia an object displays. A crow bar takes a little lifting to move — it has a distinct mass. Weight is the force of gravitational attraction between two objects. This can vary from situation to situation. To measure the force of gravitational attraction between you and the Earth, step on a scale. The mass of an object isn’t dependent on gravity, so it’s different from weight, but obviously proportional. Things with a large mass (18-ton weights, skyscrapers, glaciers) tend to weigh more than things with a smaller mass (thimbles, pebbles, field mice). When someone floats in outer space, they have mass, but no weight. We can safely measure the mass of the
• WELL, of course the answer is ‘nothing at all’, since the weight of an object is the net gravitational force acting on a body and, as with all other orbiting objects in the solar system, it is just like an astronaut circling around the Earth: weightless. Weight must be distinguished from mass, which is determined by quantity of material; in the case of the Moon it is or about 74 million million million tonnes, according to Tables of Physical and Chemical Constants , by Kaye and Laby. At the Earth’s surface a mass of one kilogramme has a weight of one Newton due to gravity but, if, like the Moon, it is orbiting in space, then it has no weight at all. Incidentally, my physics master at the King’s School, Grantham, where Isaac Newton was educated, often reminded us that a force of one Newton is about the weight of an apple. A very handy coincidence. Michael D. Rowe, Offham, Kent. • AS HEAD of physics at Isaac Newton’s old school, I am prompted by Mr Rowe’s letter to write to explain the
I thought this was a fascinating question so I decided to do some looking. It seems impossible to determine exactly what it “weighs”, but we do look at the moon in terms of MASS. Mass (kg) 7.349e+22 Mass (Earth = 1) 1.2298e-02 However there’s a second website that says the moon wiegh 81 quintillion tons. I have no idea how heavy that is… but wow, it sure sounds like we’re lucky to have it floating around the earth!!
The weight of an object is really a measure of the force of gravity exerted on it by the earth. So bodies such as the earth and the moon don’t really “weigh” anything. But the earth and the moon do have mass, which is a measure of how much matter these bodies are composed of. The moon has a mass equal to about 1/81 of the mass o
Dont know..but they do! ask.yahoo.com/20010815.html – 11k and they do Weight / Mass on the Moon | Flash simulation, Animation … AND I DO NOW..Technically zero. Things in space are weightless. Weight only comes into the equation when you decide what value of gravity you want to use in the calculation, and that depends on where you are. If I weigh 12 stones on Earth, I only weigh 2 stones on the Moon However my mass is the same in both places. The Moon’s mass is 7.343 x 10 (pwr19) tonnes. 73,430,000,000,000,000,000 tonnes or 7.232 x 10 (power19) tons = 0.0123 Earth masses.
