Chapter-Work energy and power
Define kinetic energy is always positive ????
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Kinetic Energy
Kinetic energy is energy that comes from motion. In other words, objects that are moving have something that is referred to as kinetic energy. Since kinetic energy is based on motion, it is always a positive value. If it is not in motion, the kinetic energy of that object is zero. Kinetic energy can never be a negative value. Kinetic energy can be quantified as one half of the mass times the velocity squared (KE = 1/2*m*v²). In SI units, the mass should be in kilograms (kg), and the velocity in meters per second (m/s).
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