Defintions Flashcards
1
Q
Moment
A
Force x perpendicular distance from the point to the lines of action of the force
2
Q
Moment of a couple
A
Force x perpendicular distance between the lines of action of the force
3
Q
Centre of mass
A
Point through which a single force on the body has no turning effect
4
Q
Potential divider
A
A combination resistors in series connect across a voltage source
5
Q
Internal resistance
A
Loss of of per unit current when current passes through a source
6
Q
Emf
A
Electrical energy per unit charge produced by a source
7
Q
Pd across terminals
A
Electrical energy per unit charge delivered by the source in a Circuit
8
Q
Pd
A
Work done per unit charge
