Work Done & Friction (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Friction
Friction
Force between surfaces in contact trying to move past each other
Direction friction acts
Direction friction acts
Opposite to motion
Energy used against friction becomes
Energy used against friction becomes
Heat
Friction effect on temperature
Friction effect on temperature
Object and surface temperature increase
Work done
Work done
Measurement of energy required to move an object
Work done equation
Work done equation
Unit of (work done)
Unit of (work done)
Joules (J)
Unit of (force in work done)
Unit of (force in work done)
Newtons (N)
Unit of (distance in work done)
Unit of (distance in work done)
Metres (m)
Heavier weight, same distance: work done
Heavier weight, same distance: work done
More work done