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Physics Equations (weight = mass x gravitational field strength (W=mg),…
Physics Equations
weight
= mass x gravitational field strength (W=mg)
work done
= force x distance (W=Fs)
force applied to a spring
= spring constant x extension (F=ke)
moment
= force x distance (M=Fd)
pressure
= force normal to a surface/area of that surface (p=F/A)
distance
= speed x time (s=vt)
acceleration
= change in velocity/time taken (a=cv/t)
momentum
= mass x velocity (p=mv)
kinetic energy
= 0.5 x mass x (velocity)2 (Ek=0.5mv2)
gravitational potential energy
= mass x gravitational field strength x height (Ep=mgh)
power
= energy transferred/time (P=E/t)
power
= work done/time 9P=W/t)
efficiency
= useful output energy/total input energy
efficiency
= useful power output/total power input
wave speed
= frequency x wavelength (v=f^)
charge flow
= current x time (Q=It)
potential difference
= current x resistance (V=IR)
power
= potential difference x current (P-VI)
power
= (current)2 x resistance (P=I2R)
energy transferred
= power x time (E=Pt)
energy transferred
= charge flow x potential difference (E=QV)
density
= mass/volume (p=m/V)