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what type of system is block and tackle
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Answered by
GPT-5 mini
AI
A block and tackle is a compound pulley system — i.e., a set of fixed and movable pulleys (blocks) with a rope or cable threaded through them. It is a form of simple machine used to gain mechanical advantage so a smaller input force can lift a larger load.
Key points:
- Composed of two or more pulleys grouped in blocks (one fixed, one movable).
- Ideal mechanical advantage ≈ the number of rope segments supporting the load (ignore friction).
- Used to multiply force at the cost of increased rope travel (tradeoff between force and distance).
Key points:
- Composed of two or more pulleys grouped in blocks (one fixed, one movable).
- Ideal mechanical advantage ≈ the number of rope segments supporting the load (ignore friction).
- Used to multiply force at the cost of increased rope travel (tradeoff between force and distance).
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