Short answerEasy1 mark
State one advantage of this pulley.
Topic: Mechanical advantage
Question wording verified against source paper
Answer
Exam answer
It provides a mechanical advantage of 2 in the ideal case, so an effort equal to half the load can lift it.
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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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