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12 cards from this deck
A system of masses joined by inelastic strings via pulleys
Both masses have same magnitude of acceleration
Constant throughout entire system
Light (massless) and inelastic (doesn't stretch)
mg−T=mamg - T = mamg−T=ma
T−mg=maT - mg = maT−mg=ma
The heavier mass
Analyse each mass separately using F=maF = maF=ma
Acceleration (aaa)
Weight (mgmgmg) downwards and Tension (TTT)
Typically upward positive, downward negative
String is light (massless) and inelastic
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