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What do you mean by pulley?what …

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What do you mean by pulley?what are its advantages?
  • 1 answers

Yogita Ingle 5 years, 4 months ago

It is a simple wooden or metallic machine that uses a wheel and rope to lift heavy loads. Nowadays, plastic pulleys are also available in the market to carry small loads. This can be rotated freely about an axis passing through its center. It can change the direction of a force which makes it much easier for people to lift up anything.

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