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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...

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

www.physicsclassroom.com/class/circles/Lesson-3/Newton-s-Law-of-Universal-Gravitation

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 ...

## 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 ...

## Why do mass and distance affect gravity?

www.qrg.northwestern.edu/projects/vss/docs/space-environment/3-mass-and-distance-affects-gravity.html

The amount of gravity that something possesses is proportional to its mass and distance between it and another object. This relationship was first published by ...

## What are some of the effects of gravity on Earth? | Reference.com

www.reference.com/science/effects-gravity-earth-9fd60c7b74295e96

Gravity attracts objects that have mass and pulls them toward the center of the Earth. Everything on Earth is held by gravity including the atmosphere....

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

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

Oct 25, 2016 ... You can find the gravitational force between two objects by applying the Universal Gravitation Equation, provided you know the mass of each ...

## What is gravitational pull? | Reference.com

www.reference.com/science/gravitational-pull-f24280d269a80625

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 ...

## gravity - All matter has a mass but does all matter have a ...

physics.stackexchange.com/questions/22871/all-matter-has-a-mass-but-does-all-matter-have-a-gravitational-pull

Mar 27, 2012 ... I know that all planets and stars have a gravitational pull but does a simple much smaller object have a gravitational pull for example a pebble?

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

idahoptv.org/sciencetrek/topics/gravity/facts.cfm

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 ...

## 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 ...