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प्रश्न
State whether the following statement is True or False.
A pulley changes the direction of force.
विकल्प
True
False
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उत्तर
True.
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संबंधित प्रश्न
A pulley system has three pulleys. A load of 120 N is overcome by applying an effort of 50 N. Calculate the Mechanical Advantage and Efficiency of this system.
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 ?
Define the following term in reference to a gear system for Gain in speed ?
Give two reasons why the efficiency of a single movable pulley system is not 100%.
Differentiate between a single fixed pulley and a single movable pulley.
Give reason for the following:
The efficiency of a pulley is always less than 100%
Write two uses of pulleys. Is pulley a force multiplier?
What is the relation between the mechanical advantage and the number of strands of string used to support the load, in a ‘block and tackle’ set-up?
