Physics K/L 0.0 / 5 ? PhysicsKeywordsGCSEAQA Created by: Atlanta and JacobCreated on: 19-11-16 10:08 Kilowatt (kW) 1000 watts. 1 of 12 Kilowatt-hour (kWh) Electrical energy supplied to a 1 kW electrical device in 1 hour. 2 of 12 Kinetic energy Energy of a moving object due to its motion; kinetic energy (in J) = ½ x mass (in kg) x speed squared (in metre squared per second squared). 3 of 12 Light-dependent resistor Device with a resistance that varies with the amount of light falling on it. 4 of 12 Limit of proportionality The limit for Hooke's law applied to the extension of a stretched spring. 5 of 12 Line of action The line along which a force acts. 6 of 12 Line of force Line in a magnetic field along which a magnetic compass points, also called a magnetic field line. 7 of 12 Liquid A state of matter. 8 of 12 Live wire The wire of a mains circuit that has a potential that alternates from positive to negative and back each cycle. 9 of 12 Load The weight of an object raised by a device used to lift the object or the force applied by a device when it is used to shift an object. 10 of 12 Longitudinal wave Wave in which the vibrations are parallel to the direction of energy transfer. 11 of 12 Long sight An eye that cannot focus on nearby objects. 12 of 12
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