| 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 |
The Pulley Lab is highly recommended for: student exploration pulley lab
Overall, the "Student Exploration: Pulley Lab" receives a rating of 4.5/5, based on its effectiveness, features, and overall value. | Pulley System | Load (N) | Effort
The Student Exploration Pulley Lab, often centered around interactive Gizmo simulations , offers a deep dive into how simple machines manipulate force and energy. By investigating mechanical advantage and the law of conservation of energy, students uncover why a complex system of ropes and wheels makes "impossible" weights manageable. The Core Mechanics: Trade-offs of Force and Distance The Core Mechanics: Trade-offs of Force and Distance
This is the ratio of output force (load) to input force (effort). In an ideal system, the MA is equal to the number of rope segments supporting the load.