3.3 Work, Energy And Power Flashcards Preview

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Flashcards in 3.3 Work, Energy And Power Deck (4)
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1
Q

Define work Done

A

Froce x distance travelled im direction of force

2
Q

Define closed system

A

A system in which all energy transfers are accounted for Energy cannot enter or leave

3
Q

State the principle of conservation of energy

A

Total energy of a closed system remains constant

It can niether be created or destroyed, only transferred from one form to another

4
Q

Two equations for power

A

Work done / time

Force x velocity