Satellite is kept moving in its orbit around the Earth; it is due to –

An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth

An astronaut whose weight on the Earth is 600 N experiences weightlessness on International Space Station orbiting around the Earth. It means that

The Earth travels in its orbit at a speed of approx 4,400 km per hour. Why do we not feel this high speed?

The mass of a body on the Earth is 100 kg, then the mass of the body on the Moon is :

The acceleration due to gravity at the Earth’s surface depends on