AQA GCSE PHYSICS - PAPER 1 EXAM QUESTIONS AND ANSWERS
AQA GCSE PHYSICS - PAPER 1 EXAM QUESTIONS AND ANSWERS Energy Stores - answer 1) Elastic potential 2) Gravitational potential 3) Thermal 4) Electrostatic 5) Nuclear 6) Chemical 7) Kinetic 8) Magnetic 9) Light 10) Sound How is energy transferred? - answer 1) Mechanically - force doing work 2) Electrically - work done by moving charges 3) Heating/Radiation - light, sound How can work be done? - answer When a current flows or by a force moving an object Kinetic energy formula - answer E=1/2mv² Kinetic energy(J) = 0.5 x mass(kg) x speed²(m/s) Gravitational potential energy formula - answer E=mgh G.P.E(J) = mass(kg) x gravitational field strength (N/kg) x height (m)
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