Topic 3 - Conservation of Energy Flashcards

1
Q

Law of Conservation

A

Energy cannot be created or
destroyed, only transferred
from one form to another

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2
Q

Conservation System

A

In a closed system with no
energy transfers in or out, the total energy is constant

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3
Q

Efficiency - Thermal
conductivity

A

Higher thermal conductivity means greater rate of energy transfer

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4
Q

Efficiency - Insulation

A

Reduces heat loss to surroundings

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5
Q

Efficiency - Lubrication

A

Reduces heat loss due to friction

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6
Q

Efficiency Equation

A

Useful Energy Transferred

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7
Q

Gravitational
Potential Energy Equation

A

GPE = Mass x
Gravitational Field
Strength x Height

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