Pulley Calculator
Calculate the mechanical advantage, effort force, and rope length for different pulley configurations. More pulleys reduce the required effort force but increase the amount of rope pulled.
Inputs
Results
Effort Force
138.9 N
Mechanical Adv.
3.6×
Rope to Pull
20.0 m
Pulley System Results
| Parameter | Value |
|---|---|
| Load Weight | 500 N (50.97 kg) |
| Supporting Ropes | 4 |
| Ideal MA | 4 |
| Efficiency | 90% |
| Actual MA | 3.60 |
| Effort Force Required | 138.89 N |
| Lift Height | 5 m |
| Rope to Pull | 20.00 m |
| Work Output | 2,500 J |
| Work Input | 2,777.78 J |