Atwood machine (ideal) (a = (m1−m2)g/(m1+m2), T = 2m1m2g/(m1+m2))

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a = (m1−m2)g/(m1+m2), T = 2m1m2g/(m1+m2)

What each symbol means

SymbolWhat it stands for
TTension (N)
aMagnitude of acceleration
gm/s²
m1,m2Masses (kg)

When to use this

Ideal massless pulley and string; m1 > m2 hanging vertical Atwood.