Physics AS terminology
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12 Terms
current
amount of charge per second
voltage
amount of energy per 1 coulomb of charge
resistance
potential required to get 1 amp of current
electrical energy
work done when charge moves through a potential difference
e.m.f.
total energy provided by a source to move 1 coulomb of charge through a circuit
potential divider
a combo of resistors connected in series that share potential based on ratio of resistance
equilibrium
net force is zero, net moment is zero
centre of mass
point where entire mass of object appears to acts
centre of gravity
point through which entire weight of an object acts
moment of a couple
Two equal and opposite parallel forces that act on an object, causing a rotation without translation.
moment
The product of a force and the perpendicular distance from the line of action of the force to the pivot.
principle of moments
sum of clockwise=sum of anticlockwise
Note 
Flashcards (27)