Physics Equations Flashcards
State the formula for average speed
Average Speed= Total distance / Total time
State the formula for acceleration. State the meaning of all symbols.
a = (vs - us) / t
State the relationship between force, mass and acceleration
F = ma
State the formula used to calculate weight
W = mg
State the relationship between power, current and voltage
P = IV
State the equation used to calculate momentum
P = mv
State the relationship between charge, current and time
Q = It
State the relationship between voltage, current and resistance
V = IR
State the equation used to calculate efficiency
Efficiency =
useful energy out / total energy in
State the relationship between force, distance and work done
W = Fd
State the relationship between work, power and time
P = E / t
State the relationship between voltage, energy and charge
V = E / Q
State the equation used to calculate kinetic energy
KE = 1/2 mv2
State the equation used to calculate gravitational potential energy
GPE = mgh