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प्रश्न
Is the above pulley system an ideal machine or not?
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उत्तर
No, the pulley system is not an ideal machine
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संबंधित प्रश्न
A block and tackle system has V.R. = 5.
Draw a neat labeled diagram of a system indicating the direction of its load and effort
The pulley system has drawn lifts a load of 150 N when an effort of 60 N is applied. Find its mechanical advantage.
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.
What is a single movable pulley? What is its mechanical advantage in the ideal case?
Differentiate between a single fixed pulley and a single movable pulley.
Give reason for the following:
The lower block of a block and tackle pulley system must be of negligible weight
If the weight of the movable pulley is W, obtain the expression for MA, VR, and efficiency.
A block and tackle system of pulleys has a velocity ratio of 4.
- Draw a labelled diagram of the system indicating clearly the direction of the load and effort.
- Calculate the potential energy of the load 100 kgf lifted by this pulley to a height 5 m. (g = 10 ms−2)
