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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.
संबंधित प्रश्न
The pulley system has drawn lifts a load of 150 N when an effort of 60 N is applied. Find its mechanical advantage.
What is the mechanical advantage of an ideal pulley?
Define the following term in reference to a gear system for Gear ratio ?
What is a single movable pulley? What is its mechanical advantage in the ideal case?
In which direction does the force need to applied, when a single pulley is used with a mechanical advantage greater than one? How can you change the direction of force applied without altering its mechanical advantage? Draw a labelled diagram of the system.
Differentiate between a single fixed pulley and a single movable pulley.
The diagram below shows an arrangement of three pulleys A, B, and C. The load is marked as L and the effort as E.
- Name the Pulleys A, B, and C.
- Mark in the diagram the directions of load (L), effort (E) and tension T1 and T2 in the two strings.
- How are the magnitudes of L and E related to the tension T1?
- Calculate the mechanical advantage and velocity ratio of the arrangement.
- What assumptions have you made in parts (c) and (d)?
What is a block and tackle system of pulleys?
What is a pulley?
Draw a diagram of a single fixed pulley and obtain expressions for its:
(i) Mechanical advantage,
(ii) Velocity ratio, and
(iii) Efficiency, in the ideal case.
