‘The block and tackle pulley system acts as a force multiplier. There is no gain in energy in this case’. Do you agree with this statement? Prove your answer.
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Block and tackle pulley systems
Explanation:
- It is just a system that basically consists of 2 or more pulleys connected with a rope.
- Moreover, they are generally acting like that as shown one pulley is fixed and the other one moves with load (weight shown in the figure) and rope threaded in between them.
- Also, the whole system gains some advantage and act as a force multiplier.
- This happens because the effort to lift the weight is reduced since the load is shared by two sections (rope threaded in 2 pulleys) of the same rope instead of one whole section.
- As we have shown in the given figure.
- Thus, the given statement is correct and proved.
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