Moments, Levers & Gears (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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13 cards from this deck
Pivot definition
Pivot definition
A fixed point about which an object can rotate
Force applied through pivot
Force applied through pivot
Object doesn't rotate, remains stationary
Force at distance from pivot
Force at distance from pivot
Object rotates about pivot in direction of force
Moment definition
Moment definition
The turning effect of a force
Effect of larger moment
Effect of larger moment
Greater rotational effect
How to increase moment? (2 ways)
How to increase moment? (2 ways)
Increase force OR increase perpendicular distance
How to decrease moment? (2 ways)
How to decrease moment? (2 ways)
Decrease force OR decrease perpendicular distance
Moment formula (symbols)
Moment formula (symbols)
Unit of moment
Unit of moment
Newton-metres (Nm)
Unit of force in moment formula
Unit of force in moment formula
Newtons (N)
Unit of distance in moment formula
Unit of distance in moment formula
Metres (m)
Balancing moments condition
Balancing moments condition
Total clockwise moment = total anticlockwise moment
Equilibrium definition
Equilibrium definition
Sum of anticlockwise moments = sum of clockwise moments