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"Gravity Falls" is the original intellectual property of its creator, Alex Hirsch, and does not derive from any book or previous media. The show began airing in 2012 after Hirsch's successful pitch to the Disney Channel. More »

www.reference.com Art & Literature

Fans of "Gravity Falls" can watch the TV show through YouTube and the Disney XD website, as of 2015. The Disney XD website features specific episodes include "Roadside Attraction," "The Golf War" and "The Last Mabelcorn.... More »

www.reference.com Art & Literature

When a leaf falls, it is being accelerated by gravity to the ground. It is opposed, however, by air resistance, also known as the drag. The net force on a leaf is calculated by subtracting its weight from its drag. More »

www.reference.com Science Physics Motion & Mechanics
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Gravity pulls objects downward, toward the Earth’s center, so anything that flies must counteract gravity’s pull. Using forward thrust and the lift provided by wings, an airplane overcomes the effects of gravity and flie... More »

www.reference.com Science Physics Motion & Mechanics

Gravity affects weight because gravity creates weight. Objects have mass, which is defined as how much matter an object contains. Weight is defined as the pull of gravity on mass. More »

www.reference.com Science Physics Motion & Mechanics

Gravity does almost no work on a bowling ball rolling along an alley because the ball is not moving in the direction of gravity. Work, as defined by physics, is a function of both force and distance traveled in the direc... More »

www.reference.com Science Earth Science Atmosphere

Some of the most popular 3-D movies include "Avatar," "Gravity" and "The Lego Movie." Other popular 3-D movies include "The Avengers," "Jurassic World" and "Star Wars: The Force Awakens." More »

www.reference.com Art & Literature