# Shared Flashcard Set

## Details

Newent Year 11 Physics Equations Practise
Equation Practise
22
Physics
05/01/2019

## Additional Physics Flashcards

Term
 Equation for average speed
Definition
 d = X x t  Distance = average speed x time
Term
 Equation for acceleration
Definition
 a = (v - u)/t acceleration = change in velocity/ time taken
Term
 Equation for force
Definition
 F = m x a Force = mass x acceleration
Term
 Equation for weight
Definition
 W = m x g  Weight = mass x gravitational field strength
Term
 Equation for momentum
Definition
 p = m x v  momentum = mass x velocity
Term
 Equation for work done
Definition
 E = F x d work done = force x distance moved in the direction of the force
Term
 Equation for kinetic energy
Definition
 KE = 1/2 x m x v2  kinetic energy = 0.5 x mass x velocity2
Term
 Equation for gravitational potential energy
Definition
 GPE = m x g x h gravitational potential energy = mass x gravitational field strength x change in vertical height
Term
 Equation for efficiency
Definition
 efficiency = (useful energy transferred by the devise)/(total energy supplied to the device)
Term
 Equation for wave speed
Definition
 v = ƒ x  λ wave speed = frequency x wavelength
Term
 Second equation for wave speed
Definition
 v = X/t wave speed = distance / time
Term
 Equation for power
Definition
 P = E/t power = work done/time taken
Term
 Equation for a moment of a force
Definition
 moment of a force = force x distance normal to the direction of the force
Term
 Equation for charge
Definition
 Q = I x t charge = current x time
Term
 Equation for energy transferred
Definition
 E = Q x V  Energy transferred = charge moved x potential difference
Term
 Equation for potential difference
Definition
 V = I x R  potential difference = current x resistance
Term
 Equation for power
Definition
 P = E/t  power = energy transferred/time taken
Term
 Equation for electrical power
Definition
 P = I x V  electrical power = current x potential difference
Term
 Equation for electrical power (including resistance)
Definition
 P = I2 x R  power = current squared x resistance
Term
 Equation for density
Definition
 ρ = m/v density = mass/volume
Term
 Equation for force on a spring
Definition
 F = k x X  Force = spring constant x extension
Term
 Equation for pressure
Definition
 P = F/A pressure = force normal to surface/area of surface
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