# Shared Flashcard Set

## Details

Physics Equations
alll physics equations required for OCR gcse
20
Physics
12/18/2017

Term
 density (kg/m3)
Definition
 mass (kg) / volume (m3)
Term
 distance travelled (m)
Definition
 speed (m/s) x time (s)
Term
 acceleration (m/s2)
Definition
 change in velocity (m/s) / time (s)
Term
 Kinetic energy (j)
Definition
 0.5 x mass (kg) x speed/velocity2 (m/s)
Term
 force (n)
Definition
 mass (kg) x acceleration (m/s2)
Term
 momentum (kgs/s)
Definition
 mass (kg) x velocity (m/s)
Term
 work done (j)
Definition
 force (n) x distance (m)
Term
 power (w)
Definition
 work done (j) / time (s)
Term
 force exerted by spring (n)
Definition
 extension (m) x spring constant (n/m)
Term
 gravity force/weight (n)
Definition
 mass (kg) x gravitational field strength (n/kg)
Term
 potential energy - in gravity field (j)
Definition
 mass (kg) x height (m) x gravitational field strength (n/kg)
Term
 pressure (pa)
Definition
 force (n) / area (m2)
Term
 moment of force (Nm)
Definition
 force (n) x distance (m)
Term
 charge flow (c)
Definition
 current (a) x time (s)
Term
 potential difference (v)
Definition
 current (a) x resistance (oms)
Term
 energy transferred (j,kwj)
Definition
 power (w,kw) x time (s)
Term
 energy transferred (j)
Definition
 charge (c) x potential difference (v)
Term
 power (w)
Definition
 potential difference (v) x current (a) = current2 (a) x resistance (oms)
Term
 wave speed (m/s)
Definition
 frequency (Hz) x wavelength (m)
Term
 efficiency
Definition
 useful output energy transfer / input energy transfer (j)
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