Connected Bodies - Pulleys (Edexcel A-Level Mathematics): Flashcards
📚Flashcards
Practise the cards
11 cards from this deck
ShowHide
Practise the cards
11 cards from this deck
Inextensible string meaning
Inextensible string meaning
Doesn't stretch; same acceleration rate, opposite directions
Tension in ideal pulley system
Tension in ideal pulley system
Same throughout the string
Smooth pulley assumption
Smooth pulley assumption
Tension is same on both sides of pulley
Ideal pulley properties
Ideal pulley properties
Massless and frictionless
Main forces on hanging body in pulley
Main forces on hanging body in pulley
Gravity (weight) down and tension up
Newton's 2nd law for pulley problems
Newton's 2nd law for pulley problems
for each body separately
Acceleration in connected bodies
Acceleration in connected bodies
Same magnitude but opposite directions
Solving pulley equations technique
Solving pulley equations technique
Add or subtract equations to eliminate one variable, solve simultaneously
Checking pulley results
Checking pulley results
Tension shouldn't be negative; check direction makes sense
Free body diagram purpose
Free body diagram purpose
Separate diagrams for each object showing tension, weight, forces
Tension with connected bodies
Tension with connected bodies
Both bodies share same tension in string
