DiagramModerate2 marks
6(i)
A block and tackle system of pulleys has velocity ratio 4.
Draw a labelled diagram of the system indicating clearly, the direction of the load and the effort.
Topic: Block and tackle pulley system
Question wording verified against source paper
Answer
Solution diagram
Exam answer
Draw a block-and-tackle system with four supporting rope segments, clearly labelling load and effort.
Explanation
For an ideal system, VR equals the number of supporting strands.
More from Machines
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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