Weight is the force acting on an object due to gravity - it has the unit newtons (N) and acts towards the centre of a gravitational field. So weight is a gravitational force on an object that has mass ...

Physical Formulas: The Keys to Unlocking the Mysteries of the Universe ...

Isaac Newton's First Law of Motion states, "A body at rest will remain at rest, and a body in motion will remain in motion unless it is acted upon by an external force." What, then, happens to a body ...

I'm a fan of both Star Wars and physics, but I have to admit I don't know what the "jump to hyperspace" means. In short, it's a way for spaceships in the Star Wars universe to travel great distances ...

The terms weight and mass are often used incorrectly. Phrases like ‘a bag of sugar weighs 1 kg’ are not scientifically correct. This means that a 1 kg mass would be attracted to Earth by a force of 10 ...