Physics Glossary - A 0.0 / 5 ? PhysicsGlossary WorkA2/A-levelEdexcel Created by: MarieBarwickCreated on: 06-11-18 09:58 measured in Kelvin absolute temperature 1 of 13 the total uncertainty for a measurement absolute uncertainty 2 of 13 the lowest possible temperature, equivalent to -273*C absolute zero 3 of 13 when white light passes through a cool gas and then a diffraction grating or prism absorption spectra 4 of 13 the rate of change of an object's velocity acceleration 5 of 13 the acceleration of a body moving at constant speed along a circular path centripetal acceleration 6 of 13 the velocity of an object will not change unless a resultant force acts on it Newton's 1st law 7 of 13 acceleration is directly proportional to force Newton's 2nd law 8 of 13 each force has an equal, opposite reaction Newton's 3rd law 9 of 13 the total current entering a junction = the total current leaving it Kirchoff's 1st law 10 of 13 the total e.m.f around a circuit = the sum of the p.d.s across each component Kirchoff's 2nd law 11 of 13 an object which oscillates to and fro, either side of a midpoint, e.g. pendulums and mass-spring systems simple harmonic motion 12 of 13 the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard accuracy 13 of 13

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