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P1.3 Energy And Work
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
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#1
Front (Question)
What is work?
Back (Answer)
The energy transferred by a force
#2
Front (Question)
If you lift an object with 20J of work, by how much is the object’s gravitational potential energy store increased?
Back (Answer)
20J
#3
Front (Question)
What is the formula to calculate work done?
Back (Answer)
Work done (J) = force applied (N) x distance moved in the direction of the force (m)
#4
Front (Question)
How much work do you need to do if you have to pull a lorry 40m and you apply a force of 2000N?
Back (Answer)
40 x 2000 = 80000 = 80 kJ
#5
Front (Question)
Where is the work done to overcome friction usually transferred?
Back (Answer)
To thermal energy stores by heating