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Work (W): Force times distance. Units: joules (J)Force (F): mass times acceleration (Newton?s classic definition). A vector. Units: newtons (N) |
When work is applied to an object or a system it adds or removes kinetic energy to or from that object or system. More precisely, a net force in one direction, when applied to an object moving opposite or in the same direction as the force, kinetic energy will be added or removed to or from that object. Note that work and energy are measured in the same unit, the joule (J).
