Equations for first mock 0.0 / 5 ? Physicstopic 1 + 2GCSEAQA Created by: joewhite02Created on: 09-04-17 16:49 what is the equation for work done? work done (joule, J) = force (newton, N) x distance (metre, m) 1 of 13 what is the equation for gravitational potential energy? GPE (J) = mass (kg) x gravitational field strength (or 'g') (N/kg) x height (m) 2 of 13 what is the equation for kinetic energy? KE (J) = ½ × m (kg) × v^2 (m/s) 3 of 13 what is the equation for elastic potential energy? 0.2 x spring constant x (extension)^2 4 of 13 what is the equation for efficiency (energy)? efficiency = (useful energy transferred ÷ energy supplied) × 100 5 of 13 what is the equation for efficciency (power)? efficiency = (useful power transferred ÷ power supplied) × 100 6 of 13 what is the equation for energy transferred? energy transfered (joules, J) = power (watt, W) x time (second,s) 7 of 13 what is the equation for specific heat capacity? Energy (J) = mass, m (kg) × secific heat capacity, c (J/kg°C) × θ, temperature change (°C) 8 of 13 what is the equation for change ? charge (coulomb, C) = current (ampere, A) × time (second, s) 9 of 13 what is the equation for potential difference (1)? potential difference (volt, V) = current (ampere, A) × resistance (ohm, Ω ) 10 of 13 what is the equation for potential difference (2)? power (watt, W) = voltage (volt, V) × current (ampere, A) 11 of 13 what is the equation for resistance in a series circuit? RT = R1 + R2 + R3 12 of 13 what is the equation for resistance in a parallel circuit? 1/RT = 1/R1 + 1/R2 + 1/R3 13 of 13
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