what is the definition of pulley
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2
Answer:
A pulley is a simple machine which is used to lift heavy objects. It consists of a wheel that has a grooved track for the rope, chain or belt to move through it.
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Answer:
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 it's center.
types Of pulley
• fixed pulley
• movable pulley
Explanation:
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