Short answerEasy2 marks
5(c)
A block and tackle system of pulleys has velocity ratio 4.
What will be its V.R. if the weight of the movable block is doubled ?
Topic: Machines, levers and pulleys
Previous-year question practice database
Answer
Exam answer
4.
Explanation
Velocity ratio depends on the pulley arrangement, not the weight of the moving block.
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The Velocity Ratio (VR) of a block and tackle system of two pulleys with the effort in the upward direction is:
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