word equation's 0.0 / 5 ? SciencePhysicsGCSEAll boards Created by: lucyhannah01Created on: 05-01-18 17:58 what is the equation for WEIGHT? weight= mass x gravitational field strenght (W= m g) 1 of 19 what is the equation for WORK DONE? work done= force x distance (along the line of action of the force) (W= F s) 2 of 19 what is the equation for FORCE APPLIED TO A SPRING? force applied to a spring= spring constant x extention (F= k e) 3 of 19 what is the equation for MOMENT OF A FORCE? moment of a force= force x distance (normal to direction of force) (M= F d) 4 of 19 what is the equation for PRESSURE? pressure= force normal to a surface ÷ area of that surface (p= f a) 5 of 19 what is the equation for DISTANCE TRAVELLED? distance travelled= speed x time (s= v t) 6 of 19 what is the equation for ACCELERATION? acceleration= change in velocity ÷ time taken (a= Δv t) 7 of 19 what is the equation for RESULTANT FORCE? resultant force= mass x acceleration (F= m a) 8 of 19 what is the equation for KINETIC ENERGY? kinetic energy= 0.5 x mass x (speed)² (Ek= 1/2m v²) 9 of 19 what is the equation for GRAVITATIONAL POTENTIAL ENERGY? gravitational potential energy= mass x gravitational field strength(g) x height (Ep= m g h) 10 of 19 what is the equation for POWER? power= energy transferred ÷ time (P= E ÷ t) 11 of 19 what is the equation for POWER? power= work done ÷ time (P= W ÷ t) 12 of 19 what is the equation for EFFICIENCY? efficiency= useful power output ÷ total input energy transfur OR efficiency= useful power output ÷ total power input 13 of 19 what is the equation for WAVE SPEED? wave speed= frequency x wavelength (v= ƒ x λ) 14 of 19 what is the equation for CHARGE FLOW? charge flow= current x time (Q= I t) 15 of 19 what is the equation for POTENTIAL DIFFERENCE? potenital difference= current x resistance (V= I R) 16 of 19 what is the equation for POWER? power= potential difference x current (P= I² R) OR power= (current)² x resistance (P= I² R) 17 of 19 what is the equation for ENERGY TRANSFERRED? energy transferred= power x time (E= P t) OR energy transferred= charge flow x potential difference (E= Q V) 18 of 19 what is the equation for DENSITY? density= mass ÷ volume (p= m ÷ v) 19 of 19
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