This straight-line inertial path of a satellite, however, is balanced by a strong gravitational attraction directed toward the center of the planet. Sometimes, a satellite's orbit looks like an ellipse, a squas
If the gravitational force on you is 670N on the earth, how strong is the gravitational force on you on the surface of a neutron star that has the same mass as our sun and a diameter of 20.0km ? Take The mass of the sun is 1.99 x 1030 kg and its dist...
The gravitational pull of the earth (the force which pulls everything towards the ground) is like a rope which keeps the satellite from flying away. Everything that goes up has to come down. It is only a matter of time before a satellite comes back to the earth. As time goes by the...
Assuming that proper radiation shielding is provided, the predominant environmental factor of spaceflight is microgravity—also known as weightlessness. Once settled on a new planetary body such as the Moon or Mars, these will have a gravitational regime different from the one on Earth (1 g). All...
1) Gravity – the constant attraction downwards is an essential grounding force for life on earth. However, gravitational pull acting on a curved spine will further compress the concave or short and tight areas which will reinforces the curvatures. ...
physic物理问题英文41.how much force must be applied during liftoff to accelerate a 20-kg satellite just enough to counter the earth's gravitational acceleration of 9.8m/s22.you are driving a car down a straight road at a constant 55 miles per h
If you want a short answer, the word is "forces."People stick to Earth's surface even though the planet is rotating at high speed, and even there's no glue on the soles of our feet. The reason is simply that gravity bonds us to the planet with enough force to stop us whizzing ...
The answer has to do with the relationship between the Earth and the Moon . It seems that the Moon is very successful at slowing the Earth down by exercising its gravitational force . As they are slowly growing further apart the speed of the Earth s rotation decreases...
This antenna is how the Voyagers receive commands from Earth and send the data they gather back. No matter where a Voyager spacecraft flies, the high-gain antenna always points toward Earth. One of the booms extending off of the main bus carries Voyager’s radioisotope thermoelectric power ...