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How is the moon kept in orbit?
The earth by its gravitational pull keeps the moon in its orbit. The earths gravitational pull and the Moon's inertia creates a force called the centripetal force which keeps the Moon in orbit.
Why is their no atmosphere in the moon?
because the gravitational attraction of moon is very low(about 1/6th of earths') which is not sufficient to hold the air molecules to form atmosphere.
How would the moon move if earths mass increased?
If Earth's mass increased, then the gravitational force between Earth and the moon would also increase. The moon would be more strongly attracted to Earth. The acceleration between the 2 would increase also.
Find the direction of the net gravitational force exerted on the spacecraft by the earth and moon?
It is very easy to find the direction of net force exerted by Earth and Moon on a Space craft. Suppose Earth is at "0" point of 3-D coordinate system. Now say X1, Y1, Z1 are the coordinate of the Moon and X2, Y2, Z2 are the coordinates of Space craft. Now say M1, M2, and M3 are the mass of Earth, Moon and Space Craft respectively. Now calculate the gravitational force exerted by Earth and Moon separately in X,Y,Z directions. Now Vectorial SUM of the above force is the net force and resultant vector is the direction of net Gravitational force on the Space craft.
Is the moon in the earths gravity?
Yes, all objects in the universe have gravity. The gravity on the moon is about 1/6 of the gravity on Earth.
Is gravitational force of the earth a factor of seawave formation?
Yes, however very slightly, it's mainly the Moon which effects the seawave formation.
Why do objects weigh less on the Moon than on Earth-?
It is because there is less gravitational force on the moon.
Is there an atmasphere on the moon?
The Moon does not have a significant atmosphere like Earth does. Instead, it has an exosphere made up of very low-density gases. The lack of a substantial atmosphere is due to the Moon's weak gravitational force.
Out of the Sun Earth the Moon and a Book which one exert the stronget gravitational force on you?
The Earth exerts the greatest gravitational force on you because it is the most massive object you are closest to. The Earth exerts a force equal to your weight. The other objects exert gravitational forces but are not very noticeable because they are either low in mass or separated from you by great distance.
What would eventually happen to the gravitational force between the earth and moon?
To gravity - nothing. The gravitational attraction between them would weaken. The tidal effect would be less. (Note - the Moon is - and has been - moving away from the Earth ever since it was created.)
Are gravitational force is greater than electric force?
It depends on the specific circumstances. In general, gravitational force is weaker than electric force because the electric force between charged particles is stronger and can dominate over gravitational force at small distances. However, gravitational force becomes more significant for very large masses or distances.
What does the pull of the moon have to do with ocean tides?
The gravity of the Moon. The gravitation of the Earth and the Moon work on each other. The side of the Earth nearest the Moon receives the greatest effect of the Moon's gravitational pull, creating the bulge in the ocean and high tide beneath the Moon. The bulge on the far side of the Earth is being spun away centrifugally from the center of the combined Earth-Moon mass.
