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What is Understanding Pulley Systems in Science about?
A pulley system uses pulleys and ropes to redirect applied forces and gain mechanical advantage, allowing heavier objects to be lifted or moved with less exerted force over a greater distance. A fixed pulley attached to a stationary point changes the direction of motion but does not provide mechanical advantage, while a movable pulley attached to the object itself allows the input force to be divided between the sides of the rope for easier lifting. Simple machines like pulleys make work easier by requiring
- Author
- Janine Hilario
- Language
- EN