DiagramModerate3 marks
Draw a block and tackle system of pulleys with velocity ratio equal to 3.
Topic: Block and tackle pulley system
Question wording verified against source paper
Answer
Solution diagram
Exam answer
Draw a block-and-tackle system with three supporting strands; velocity ratio = 3.
Explanation
Use one fixed pulley and one movable pulley arranged so that three rope segments support 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:
(a) 1
(b) 2
(c) 3
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