Is a long bar object. Bars may be made with wood or any other object and rotates around the point of rotation. Everyday devices that rely on the main beam, like a hammer, a nail, this device was chalaeng uninstall help facilitate and help lessen. While attempting to exert both beams at the end of the other side. Will move in the opposite direction. The force caused by the end of the beam, both sides called the moment of force.
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