## Mackenzie2013 one year ago If a movable pulley system is lifting 120 N, each support rope is lifting

1. Michele_Laino

the situation of your problem can be described by this drawing: |dw:1435032069172:dw|

2. Michele_Laino

Applying the equation of Mechanics we can write this: $\Large \left\{ \begin{gathered} R + R = Mg \hfill \\ Mg\frac{d}{2} - Rd = 0 \hfill \\ \end{gathered} \right.$ where d is the diameter of the pulley please solve one of those equation for the tension R