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प्रश्न
Write two uses of pulleys. Is pulley a force multiplier?
उत्तर
Two uses of pulley:
(i) To change the direction of application of force to a convenient direction.
(ii) To multiply force.
Yes, a pulley is a force multiplier
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संबंधित प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
A single movable pulley is a pulley that has its axis of rotation fixed.
Answer the following in detail.
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Define the following term in reference to a gear system of Driving gear ?
Define the following term in reference to a gear system for Driven gear ?
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A pulley system has a velocity ratio 3. Draw a diagram showing the point of application and direction of load (L), effort (E) and tension (T). It lifts a load of 150 N by an effort of 60 N. Calculate its mechanical advantage. Is the pulley system ideal? Give reason.
Give reason for the following:
The efficiency of a pulley is always less than 100%
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State one advantage of single movable pulley.
