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## Gravity - Wikipedia

en.wikipedia.org/wiki/Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought ... On Earth, gravity gives weight to physical objects and causes the ocean tides. The gravitational attrac...

## Physics4Kids.com: Motion: Gravity

www.physics4kids.com/files/motion_gravity.html

Gravity of the Earth pulls objects towards the center of the planet. Gravity or gravitational forces are forces of attraction. We're not talking about finding someone ...

## Can gravity affect the surface of objects in orbit around each other?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/2-gravity-affects-surfaces.html

When objects are in orbit around each other, there is a strong pull of gravity between them. For example, we commonly say that the Moon is in orbit around the ...

## How does gravity work in space?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/zoom-grav.html

Gravity is a very important force. Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling ...

## Gravitational Force Between Two Objects by Ron Kurtus - Physics ...

www.school-for-champions.com/science/gravitation_force_objects.htm

Sep 15, 2016 ... You can find the gravitational force between two objects by applying the Universal Gravitation Equation, provided you know the mass of each ...

## Gravitational Pull of the Earth: Definition & Overview - Video ...

When an object is dropped from a particular altitude, it accelerates downward based on the earth's gravitational pull. In fact, the value of this acceleration is our  ...

## Gravitational Force

www.le.ac.uk/se/centres/sci/selfstudy/gforce.html

The pull of gravitational force is directed towards the centre of the Earth ... The size of gravitational force depends on the mass of the object being pulled by the ...

## What determines an object's gravitational pull? Is mass the only part ...

www.quora.com/What-determines-an-objects-gravitational-pull-Is-mass-the-only-part-of-the-equation

This is called the (weak) equivalence principle: that the gravitational force between two bodies depends only on their masses, not their material composition.

## Q: How big does an object have to be to gravitationally attract a ...

Apr 17, 2010 ... No matter how small an object is, if it has mass, it has gravity. Another question might be, “How big does something have to be so that you can't ...

## Is There Gravity in Space? - Space.com

www.space.com/7050-gravity-space.html

Jul 27, 2009 ... Every object in space still feels the gravitational pull from other objects, including space travelers who imagine themselves free of Earth's ...

### Newton's Law of Universal Gravitation - The Physics Classroom

www.physicsclassroom.com

As discussed earlier in Lesson 3, Isaac Newton compared the acceleration of the moon to the acceleration of objects on earth. Believing that gravitational forces ...

### Gravity: Facts (Science Trek: Idaho Public Television)

idahoptv.org

Gravity is affected by the size and proximity of objects. The Earth and the moon have a stronger pull on each other than the Earth and, say . . . , Jupiter because ...

### What is gravitational pull? | Reference.com

www.reference.com

Gravitational pull is the invisible force that causes massive objects to pull other objects towards them. For instance, when a person jumps up in the air, it is the ...