Linkages (AQA GCSE Design and Technology): Flashcards
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Practise the cards
14 cards from this deck
What are linkages?
What are linkages?
Mechanical systems where levers are joined to transmit motion & force
Number of main linkage types
Number of main linkage types
Three
What does reverse motion linkage do?
What does reverse motion linkage do?
Converts motion to opposite direction
Reverse motion linkage angle change
Reverse motion linkage angle change
180 degrees
Reverse motion linkage components
Reverse motion linkage components
Input point, fixed pivot, output point
Push/pull linkage function
Push/pull linkage function
Converts motion in same direction
Push/pull linkage example
Push/pull linkage example
Windscreen wiper mechanisms
Bell crank linkage definition
Bell crank linkage definition
Fixed-angle lever converting motion through an angle
Bell crank typical angle
Bell crank typical angle
90 degrees
Bell crank example
Bell crank example
Bicycle brake systems
3 ways linkages change forces
3 ways linkages change forces
Direction, distance, force
Linkage mathematical relationship
Linkage mathematical relationship
Force × Distance = Constant
B is 3× from pivot than C: B's movement
B is 3× from pivot than C: B's movement
B moves 3× as far as C
B is 3× from pivot than C: B's force
B is 3× from pivot than C: B's force
B has 1/3 force of C