求物體的加速度和繩子的張力

Net force (淨力) = (m2)g
where g is the acceleration due to gravity

Acceleration (加速度) = net force/total mass = (m2)g/(m1+m2)

Consider mass m1,
Tension in string (繩子張力) = mass x acceleration = (m1).(m2)g/(m1+m2)