Work Done & Energy Transfer (AQA GCSE Physics Combined Science): Flashcards
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12 cards from this deck
Condition for work to be done
Condition for work to be done
A force moves an object through a distance
Work done equals...
Work done equals...
Energy transferred
Work only done when movement is in direction of...
Work only done when movement is in direction of...
The force
Formula for work done
Formula for work done
Unit of work done
Unit of work done
Joules (J)
1 joule equals...
1 joule equals...
1 newton-metre
Work against what when moving object horizontally?
Work against what when moving object horizontally?
Friction
Effect of working against friction on object
Effect of working against friction on object
Object heats up
Work against what when lifting an object?
Work against what when lifting an object?
Gravity
What increases when lifting an object?
What increases when lifting an object?
Gravitational potential energy
Formula for work done when lifting
Formula for work done when lifting
Lifting force equals what at constant speed?
Lifting force equals what at constant speed?
Weight ()