The principle of inertia is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. We are ...
Dark matter is claimed to make up over 80% of all matter in the universe, but scientists have never seen it. We only assume it exists because, without it, the behavior of stars, planets and galaxies ...
PITTSBURGH (KDKA) -- You may have heard the scientific expression "An object at rest stays at rest." This is the first part of Newton's first law of motion. The whole expression states that an object ...