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Question
Which of the following should be used to lift a heavy steel cupboard to the fourth floor of the building?
Which of the following should be used to lift a heavy steel cupboard to the fourth floor of the building?
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Solution
The correct option is B Pulley
From the above diagram it is clear that by implementing a pulley at the top of the building, a worker can lift the heavy steel cupboard with a small effort. By changing the direction of application of force i.e. effort, one can easily lift a heavy load.
Pulley
From the above diagram it is clear that by implementing a pulley at the top of the building, a worker can lift the heavy steel cupboard with a small effort. By changing the direction of application of force i.e. effort, one can easily lift a heavy load.
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