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## Gravity

en.wikipedia.org/wiki/Gravity

Gravity or gravitation is a natural phenomenon by which all things with energy are brought ... On Earth, gravity gives weight to physical objects and causes the tides. Gravity has an infinite range,...

## 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 ...

## Gravitational Force: Definition, Equation & Examples - Video ...

study.com/academy/lesson/gravitational-force-definition-equation-examples.html

Jun 9, 2015 ... You probably have an idea of what gravity is, but did you know that you, right now , are actually pulling on every other object in the universe?...

## 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 ...

## Gravitational Force Calculator

www.wsanford.com/~wsanford/calculators/gravity-calculator.html

Calculate the gravitational force (FG) in newtons (N) between any two objects by inputting the mass of the objects in kilograms (kg) as well as the distance ...

## Law of Gravity - Physics

physics.weber.edu/amiri/physics1010online/WSUonline12w/OnLineCourseMovies/CircularMotion&Gravity/reviewofgravity/ReviewofGravity.html

So for Newton, the force of gravity acting between the earth and any other object is directly proportional to the mass of the earth, directly proportional to the mass ...

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

www.askamathematician.com/2010/04/q-how-big-does-an-object-have-to-be-to-gravitationally-attract-a-human-or-have-a-molten-core/

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 ...

More Info

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

www.physicsclassroom.com

This comparison led him to conclude that the force of gravitational attraction between the Earth and other objects is inversely proportional to the distance ...

### Gravitational Force Between Two Objects - Physics Lessons: School ...

www.school-for-champions.com

Feb 26, 2016 ... You can find the gravitational force between two objects by applying the Universal Gravitation Equation, provided you know the mass of each ...

### Newton's Laws and Weight, Mass & Gravity - Video & Lesson ...

study.com

Mass is a measure of how much matter an object contains, while weight is a measure of the force of gravity on the object. An object has the same composition , ...