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प्रश्न
Fill in the blank:
A pulley is used to change ........................
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उत्तर
A pulley is used to change the direction of effort.
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संबंधित प्रश्न
From the diagram given below. answer the question that follows:
- What kind of pulleys are A and B?
- State the purpose of pulley B.
- What effort has to be applied at C just raise the load L = 20 kgf?
(Neglect the weight of pulley A and friction)
Differentiate between a single fixed pulley and a single movable pulley.
Explain the working of a gear system.
Define the following term in reference to a gear system for Gain in torque ?
What is a block and tackle system of pulleys?
Name the type of single pulley that can act as a force multiplier. Draw a labeled diagram of the pulley mentioned by you.
In a single movable pulley system, a load of 125 kgf is lifted by an effort of 75 kgf. Find the percentage efficiency of system.
A pulley is a machine made up of a ______.
A block and tackle system of pulleys has a velocity ratio of 4.
- Draw a labelled diagram of the system indicating clearly the direction of the load and effort.
- Calculate the potential energy of the load 100 kgf lifted by this pulley to a height 5 m. (g = 10 ms−2)
