A low-frills patio or deck is pretty cheap. Everyone's definition of cheap is different, but decks can be had for as low as $1,000, according to Jessica Piha, a spokeswoman for Porch.com, a website that helps homeowners find the right contractor. But the average deck costs $8,300, Piha says. And how much is a cheap patio? The cost to install a 200-square-foot concrete patio is about $740 to $840 on average, according to HomeWyse.com, an online reference for home projects. But here's why you probably won't buy a cheap patio. If you're pining over someone's patio, you presumably don't want a concrete slab.
The acceleration due to gravity on the surface of the Moon. The mass of the Moon is 7.35 x 10^22 kg and the average radius of the Moon is 1.74 x 10^6 m. Plugging into the formula, we have: g = (6.67 x 10^-11 N-m^2/kg^2)(7.35 x 10^22 kg )/(1.74 x 10^6 m)^2 = (4.9 x 10^12 )/(3.03 x 10^12) = 1.6 m/s^2.
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/s 2 on the Moon.ow 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.