MEDIUM
10th ICSE
IMPORTANT
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The given figure below shows a block and tackle system of pulleys used to lift a load. How many strands of tackle are supporting the load?

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Important Questions on Machines

MEDIUM
10th ICSE
IMPORTANT

The given figure below shows a block and tackle system of pulleys used to lift a load. Draw arrows to represent tension in each strand.

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EASY
10th ICSE
IMPORTANT

The given figure below shows a block and tackle system of pulleys used to lift a load. What is the mechanical advantage of the system?

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EASY
10th ICSE
IMPORTANT

In the given figure below it shows a block and tackle system of pulleys used to lift a load. When load is pulled up by a distance 1 m, how far does the effort end move?

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HARD
10th ICSE
IMPORTANT
A block and tackle system has the velocity ratio 3. Draw a labelled diagram of the system indicating the points of application and the directions of load and effort. A man can exert a pull of 200 kgf. What is the maximum load he can raise with this pulley system if its efficiency is 60%?
HARD
10th ICSE
IMPORTANT
You are given four pulleys and three strings. Draw a neat and labelled diagram to use them to obtain a maximum mechanical advantage equal to 8. In your diagram make the directions of load, effort and tension in each strand. What assumptions have you made to obtain the required mechanical advantage?