Question

1)How much does the sky weigh?

2)How much does the Earth weigh?

3).How do airplanes stay in the air?​

Answer 1

Answer:

1. This means the sky weighs 14.7 lbs per square inch of earth surface which is roughly 11 billion billion pounds. So, you can say that sky weighs one millionth of the mass of the Earth.

2. Mass and Density:

Between its size, composition and the distribution of its matter, the Earth has a mass of 5.9736×1024 kg (5.9 trillion trillion kilograms) or 1.31668×1025 lbs (13 billion trillion tons).

Category: Planet

3. Four forces keep an airplane in the sky. They are lift, weight, thrust and drag. Lift pushes the airplane up.