Physics Unit 2 Revision 3.5 / 5 based on 2 ratings ? PhysicsRadioactivityGCSEAQA Created by: LidiaCreated on: 22-11-12 23:20 How fast something is and the time it takes to cover distance. speed 1 of 16 Speed with a direction. velocity 2 of 16 Process used to generate electricity in a nuclear power station. nuclear fission 3 of 16 mass x gravity weight 4 of 16 The limit where the extension become proportional. limit of proportionality 5 of 16 The extension of a spring is direction proportional to the force applied. hookes law 6 of 16 Energy cannot be created or destroyed. energy conservation 7 of 16 The energy of a moving object. kinetic energy 8 of 16 Flow of electrons. current 9 of 16 How hard it is for electrons to move in an electrical circuit. resistance 10 of 16 Current that repeatedly reverses its direction. alternating current 11 of 16 Current that travels in one direction. direct current 12 of 16 Electromagnetic switch that opens and cuts off the current is too much current passes through the circuit breaker. circuit breaker 13 of 16 Thin wire that heats up, melts and cuts off the current if the current is too large. fuse 14 of 16 The energy supplied to a device is the energy transferred to it each second. power 15 of 16 One divided by the time taken per cycle. frequency 16 of 16
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