Work Done (AQA GCSE Physics): Flashcards

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Work Done
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Formula for work done

W=F×sW = F \times s

Unit of work done (WW)

Joules (JJ)

Unit of force (FF) in work done equation

Newtons (NN)

Unit of distance (ss) in work done equation

Metres (mm)

Which distance counts in W=F×sW = F \times s?

Distance moved along line of action of force

What is work done?

Energy transferred from object doing work to another form

Define one joule of work

Work done when 1N1N force causes 1m1m displacement

1J1J equals how many newton-metres?

11 newton-metre

Effect of work done against friction

Rise in temperature of object

Formula for work done in a spring

W=12kx2W = \frac{1}{2}kx^2

Energy stored in spring when work is done

Elastic potential energy

Work done on spring = ? (no inelastic deformation)

Elastic potential energy stored

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