Physics: The Scientific Definition of Work

Energy is only transferred when no work is done

Whenever work is done, energy is transferred (correct)

Energy is only present when there is no work

Work and energy are unrelated concepts

Exertion of force and displacement in the direction of the force (correct)

Sound production

Temperature change

Lack of displacement

$W = F + d$

$W = (F cos θ) d$ (correct)

$W = F / d$

$W = F imes d$

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