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# Y11 physics formulas

### formulas for AS90940 mechanics

TermDefinition
= d / t v
= d/v t
= txv d
= ma F
= mg F
=mgh Ep
=v/t a
=axt v
=a/v t
=F/A P
=1/2 mx v2 Ek
=E/t P
g on earth 10 N/lg
W = Fxd
distance (m) = velocity (m/s) x time (s) d = v x t
time = distance / velocity t = d / v
velocity = distance / time v= d / t
force = mass x acceleration F = m a
force (weight) = mass x gravity F = m g
gravitational potential energy (J) = mass (kg) x gravity (N/kg) x height (m) Ep = mgh
acceleration = velocity / time a = v/t
velocity = acceleration x time v = at
time (s) = acceleration (m/s2 squared) / velocity (m/s) t = a/v
Pressure (Pa) = Force (N)/ Area (m2) squared P = F/A
Kinetic energy (J) = 1/2( mass (kg)) x (velocity (m/s))2 (squared) Ek = 1/2mv2 (squared)
Power (W) = Energy (J) / time (s) P = E/t
Work (J) = Force (N) x distance (m) W = Fd
convert m/s to km/hr x 3.6 convert km/hr to m/s divide by 3.6
Created by: kjsime