Student Exploration Pulley Lab Hot! May 2026

| Pulley System | Load (N) | Effort (N) | Actual MA | Ideal MA | Efficiency (%) | |---------------|----------|------------|-----------|----------|----------------| | Fixed | 5.0 | 5.2 | 0.96 | 1 | 96 | | Movable | 5.0 | 2.6 | 1.92 | 2 | 96 | | Compound (4 ropes) | 5.0 | 1.3 | 3.85 | 4 | 96 |

Design a pulley system that allows a 100 N person to lift a 400 N engine. Draw your system and calculate the number of rope segments needed. student exploration pulley lab

Objective Explore how fixed, movable, and compound pulley systems affect the force needed to lift a load. | Pulley System | Load (N) | Effort