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Q: What is the meaning of a string tied around a rock. It was sent in the mail with no other explanation?
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Continue Learning about Astronomy

Why doesn't the sun fall from the sky. Shouldn't all the planets too fall along with the sun due to gravity?

If you tie a string to an object and hold the other end of the string, it will hang down from your hand towards the ground. If you swing the string around your head, the object will move upwards until it is rotating around your hand as it gets faster and faster. That speed is what allows the object to overcome the pull of gravity. Similarly, the planets are all rotating around the Sun at speeds which are fast enough to keep them from falling into it. The Sun is also spinning around the galaxy, and our galaxy is also in motion. The whole universe is in constant motion.


Does bernoulli's principle provide a complete explanation for wing lift?

No there are many other theories.


What is the true relationship between gravity and the motion of our solar system?

Gravity is an attraction of masses to each other. The mass of the Sun is very great and it pulls on all the planets. If there were nothing to stop this attraction the planets would be pulled into the Sun. But, just like whirling a ball around your head with a string and the ball stays out at the end of the string the planets whirling (well, rotating) around the Sun keeps them from falling into the Sun. The pull (attraction) of the Sun is like the string. This pull is called the centripetal force. If you cut the string the ball would fly off. The rotation of the planets makes them want to fly off too. This urge to fly off is called the centrifugal force. When the centripetal force equals the centrifugal force the planet is in a stable orbit.


Does the earth and other planets revolve around the sun?

yes, the earth and other planets revolve around the sun


The sun and all of the planets and other bodies that travel around it?

The sun and all of the planets and other bodies that travel around it?

Related questions

How do you loosen a lose tooth?

you put a string around your tooth, and put the other end of the string on a doorknob, and pull in the door, and the tooth goes out


What is the explanation for the meaning of term fertilisation?

When male and female come to contact with each other they fuse.it is called fertilization


What is meaning of birds colliding with people?

It simply means that the person and the bird were in the wrong place at the wrong time. It has no other logical explanation.


Ano ang personal na sanaysay?

Personal afidavit. In other meaning it is a personal declaration of facts, version of story or explanation.


What keeps the planetsasteroids and your moon in orbit?

The force of those objects' gravity and the gravity of the Sun pull on each other. The result is similar to whirling a ball tied to a string around and around yourself. The string is like the force of gravity.


Which words have the same meaning as solutions?

Other words that have the same meaning as 'solutions' as in to solve a problem are but not limited to: Explanation Key Resolution Result Clarification Elucidation


What are the physics of a swing?

a swing is basically a pendulum, meaning it oscillates as simple harmonic motion. It is not much different from a mass on a string in other words


Why is there a red string an the cover of eclipse?

It took me a while to figure out why there is a string on Stephanie Meyer's book eclipes. When you look at it closly you can tell that the string is being held by 2 threads. One of the threads represents Edward and the other represents Jake. The string its self is Bella's life. Meaning her life is being held together by Eward and Jake!


What are the other explanation about the march to death?

explanation of the death march


What is the homophone and meaning for knot?

Homophone: not Meaning: a tight interlacing of cords or ropes; a fastening made by tying together lengths of string, rope, or other material.


What is a kite string attached to?

Kite string comes on wooden dowels, about half an inch to an inch in diameter, with the string wrapped around the dowel. One end of the string is attached to the kite, while the other end is attached to the dowel that you hold while flying the kite. The dowel allows you to easily release more string to let the kite go higher, or to reel the kite back in to you.


Is the system of planets and other objects orbiting around our sun a good definition for the solar system?

Yes, that would be a good explanation for it.