chapter 5: work, energy, power 💪 Flashcards

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1
Q

definition of work done

A

product of the force and its displacement in the direction of the force

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2
Q

what does the area under F-x graph represent

A

elastic potential energy

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3
Q

state the principle of conservation of energy

A

energy can neither be created nor destroyed, but it can be transformed from one form to another

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4
Q

define power

A

rate at which work is done

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5
Q

define efficiency

A

ratio of useful energy output to the energy input, expressed as a percentage

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