Question

what are the uses of pulley ?
how does wheel and axle work ?

Answer 1

Answer:

1. In addition to lifting things, pulleys can be used singly or with many pulleys working together in order to transport people or things. They can also be used to provide power from one shaft to another. Examples of pulleys include: Elevators use multiple pulleys in order to function.
2. The wheel and axle is a machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other.

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Answer 2

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• In addition to lifting things, pulleys can be used singly or with many pulleys working together in order to transport people or things. They can also be used to provide power from one shaft to another. Examples of pulleys include: Elevators use multiple pulleys in order to function.
• The wheel and axle is a machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other.

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