Laws Flashcards
1
Q
The law of moments
A
A system of forces are in equilibrium, if the sum of the anti-clockwise moments about a fulcrum is equal to the sum of the clockwise moments about the fulcrum.
2
Q
The law of conservation of energy
A
Energy can neither be created nor destroyed - only converted from one form of energy to another.
3
Q
Lenz’s law
A
The current induced in a circuit due to a change in a magnetic field is directed to oppose the change in flux and to exert a mechanical force which opposes the motion.
4
Q
Pascal’s law
A
pressure applied to an enclosed fluid will be transmitted without a change in magnitude to every point of the fluid and to the walls of the container.
