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प्रश्न
The mechanical advantage of an ideal single movable pulley is ______.
पर्याय
1
2
less than 2
less than 1
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उत्तर
The mechanical advantage of an ideal single movable pulley is 2.
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संबंधित प्रश्न
State two functions of a machine.
What is the justification for using the pulley then ?
Differentiate between a single fixed pulley and a single movable pulley.
Name a machine to change the direction of force ?
Explain how a gear system can be used to obtain Change in direction of rotation. Given one example.
What is a block and tackle system of pulleys?
Give reason for the following:
In case of a block and tackle arrangement, the mechanical advantage increases with the increase in the number of pulleys.
In the case of a block and tackle arrangement, the mechanical advantage increases with the number of pulleys. Explain.
The pulley system shown in the figure is to be used to lift a load W. If the man applying the effort cannot apply a force exceeding 1000 N, what is the maximum load that can be lifted?
The actual load that the man is finally able to lift turns out to be 2700 N. What are the values of the actual M.A., obtained, and the efficiency of the actual set-up?
A pulley is a machine made up of a ______.
