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प्रश्न
The mechanical advantage of an ideal single movable pulley is ______.
विकल्प
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
A pulley system has three pulleys. A load of 120 N is overcome by applying an effort of 50N. Calculate the Mechanical Advantage and Efficiency of this system.
The pulley system has drawn lifts a load of 150 N when an effort of 60 N is applied. Find its mechanical advantage.
Differentiate between a single fixed pulley and a single movable pulley.
What is a gear system ?
Define the following term in reference to a gear system for Driven gear ?
What is a single movable pulley? What is its mechanical advantage in the ideal case?
(a) Fig represents an incomplete diagram of a simple string pulley system. Copy this diagram on a new page and complete it and mark where the effort must be applied to lift the load.
(b) What is the velocity ratio of this system?
(c) If the pulley system is 80% efficient and the load is 720 N, then
(i) What effort must be applied to lift the load?
(ii) What work must be done must be done in lifting the load through a distance of 2 m using this machine?
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 system has a velocity ratio of 4 and an efficiency of 90%. Calculate:
(i) the mechanical advantage of the system.
(ii) the effort required to raise a load of 300 N by the system.
A pulley is a machine made up of a ______.
