Which of the following should be used nbsp-to lift a heavy nbsp-steel cupboard nbsp-to nbsp-the fourth floor of the building-Lever-Inclined plane-Wedge-Pulley-

The correct option is D Pulley From the above diagram it is clear that nbsp;by implementing a pulley at the top of the building, a worker can lift the heavy ...

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Standard VI

Physics

Pulleys

Which of the ...

Question

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

Lever

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Pulley

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Inclined plane

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Wedge

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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.

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Similar questions

Give reasons why :

(a) Travelling bags have wheels.

(b) Iron pipes are fitted on an inclined plane for pushing up heavy loads.

(d) We should use a pulley to draw water from a well.

Q. Classify the following as a lever, a pulley and an inclined plane :
A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife.

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

a crane having steel ropes is used to lift heavy load upto 10000 kg. the elastic limit for steel is 3*10⁸ N/m². what should be the radius r of the steel rope used?

A pulley is used to lift heavy objects by changing the magnitude of force.

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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 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.

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.