Which of the following should be used to lift a heavy steel cupboard to the fourth floor of the building?

Pulley

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Wedge

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Lever

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Inclined plane

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Solution

The correct option is A
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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Q. A

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Which of the following should be used to lift a heavy steel cupboard to the fourth floor of the building?

The correct option is A 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.

The correct option is A
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.