Physics
In a single movable pulley, if the effort moves by a distance x upwards, by what height is the load raised?
Machines
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Answer
In a single movable pulley, if the effort moves by a distance x upward, the load is raised to a height of as the segment of string on both sides of the pulley moves up by a distance .
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Related Questions
Give two reasons why the efficiency of a single movable pulley is not 100%.
What is the velocity ratio of a single movable pulley? How does the friction in the pulley bearing affect it?
Give reasons for the following —
(a) In a single movable pulley, the velocity ratio is always more than the mechanical advantage.
(b) The efficiency of a movable pulley is always less than 100%.
(c) In case of a block and tackle system, the mechanical advantage increases with the increase in the number of pulleys.
(d) The lower block of a block and tackle pulley system must be of negligible weight.
Name the type of a single pulley that has an ideal mechanical advantage equal to 2. Draw a labelled diagram of the pulley mentioned by you.