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प्रश्न
A block and tackle system of pulleys has a velocity ratio of 4.
- Draw a labelled diagram of the system indicating clearly the points of application and directions of load and effort.
- What is the value of the mechanical advantage of the given pulley system if it is an ideal pulley system?
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उत्तर
(a)
(b) M. A. = `"Load"/"Efforts" = (4"T"_"L")/"T"_"E" = 4`
संबंधित प्रश्न
From the diagram given below. answer the question that follows:
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- State the purpose of pulley B.
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(Neglect the weight of pulley A and friction)
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The diagram below shows a pulley arrangement.
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(ii) What is the purpose of the pulley Q?
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(v) Assuming that the efficiency of the system is 100%, what is the mechanical advantage?
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