Forces
Force: A force is a push or pull upon an object resulting from the object's interaction with another object.
Motion: The act or process of moving or being moved. Net Force: The overall force acting upon an object. Energy: The capacity of a physical system to perform work. Balanced Force: Two forces that are equal in size and opposite in direction. Unbalanced Force: When two forces acting upon an object are not equal in size. Friction: The force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. Speed: The rate at which someone or something is able to move or operate. Direction: A course along which someone or something moves. |