Connected Bodies - Pulleys (AQA A-Level Mathematics): Flashcards
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Practise the cards
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Property of inextensible string in pulley systems
Property of inextensible string in pulley systems
Connected bodies accelerate at same rate
Direction of motion in pulley systems
Direction of motion in pulley systems
Opposite directions (one up, one down)
Tension in ideal pulley string
Tension in ideal pulley string
Same throughout
Law for setting up pulley equations
Law for setting up pulley equations
(Newton's second law)
Method to eliminate from equations
Method to eliminate from equations
Add the two equations
Smooth pulley assumption
Smooth pulley assumption
Tension same on both sides
Sign of non-physical tension value
Sign of non-physical tension value
Negative
Essential diagram for connected bodies
Essential diagram for connected bodies
Free body diagram
Properties of ideal pulley
Properties of ideal pulley
Massless and frictionless
Connected bodies acceleration comparison
Connected bodies acceleration comparison
Same magnitude, may differ in direction