Equations Flashcards
weight, mass and gravitational field strength
Mass x GPE
W= m x g
work done, force and distance
Force x distance along the line of actiom
W = f x s
Name equation that links moments, force and distance
Force x distance normal to direction of force
M = f x d
Pressure and force normal to a surface
Pressure = force normal to a surface
F
Speed, distance, time
Distance = speed x time S = v x t
Acceleration =
Change in velocity
TRIANGLE v
Force applied to a spring =
Spring constant x extension
F = ke
Resultant force =
Mass x acceleration
F = m x a
Momentum =
Mass x velocity
P = m x v
Kinetic energy =
0.5 x mass x speed 2
Ek = 1/2 x m x v2
GPE =
Mass x field strength x height
Ep = m x g x h
Power (energy) x 2
Energy transferred
Work done
Efficiency =
Useful (power) output / total (power) input
Wave speed =
Frequency x wavelength
V = f x lambda
Charge flow =
Current x time
Q = I x t