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en.wikipedia.org/wiki/Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass are brought toward (or gravitate toward) one another, including objects ranging ...

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 ...

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 ...

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 ...

science.howstuffworks.com/environmental/earth/geophysics/question232.htm

Gravity is the force that causes two particles to pull towards each other. ... We know that it causes any two objects in the universe to be drawn to one another.

study.com/academy/lesson/gravitational-pull-of-the-earth-definition-lesson-quiz.html

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  ...

sciencing.com/two-affect-much-gravity-object-8612876.html

Apr 25, 2017 ... Gravity is the force that gives weight to objects and causes them to fall to the ground when dropped. It also keeps our feet on the ground.

www.khanacademy.org/computing/computer-programming/programming-natural-simulations/programming-forces/a/gravitational-attraction

The thing is, the earth is just so massive that it overwhelms all the gravity interactions of every other object on the planet. Every object with mass exerts a ...

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 ...