What is Systems of Pulleys? Differentiate first, second and third Systems of Pulleys.
The following three systems of pulleys are commonly used :
1. First system of pulleys. For such a system, velocity ratio is:
![First system of pulleys First system of pulleys](data:image/png;base64,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)
where
n = Number of pulleys
2. Second system of pulleys. For this system, velocity ratio:
![Second system of pulleys Second system of pulleys](data:image/png;base64,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)
3. Third system of pulleys. For such a system, velocity ratio:
![Third system of pulleys Third system of pulleys](data:image/png;base64,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)
The following three systems of pulleys are commonly used :
1. First system of pulleys. For such a system, velocity ratio is:
where
n = Number of pulleys
2. Second system of pulleys. For this system, velocity ratio:
3. Third system of pulleys. For such a system, velocity ratio:
What is system of pulley? Define.
ReplyDeleteDefinition of pulley?
ReplyDeletePulley is a cylindrical disk with a groove along its circumference where a rope or chain passes and has an axle passing through its center attached to a wooden or metallic rectangular frame.
Delete