Laws Flashcards

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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.

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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.

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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.

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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.

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