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Question 16

A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%, determine its mechanical advantages

  • A.12.0
  • B.10.0
  • C.3.6
  • D.1.8
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2002
Question no.
#16
Type
Objective
Previous · Q15a load of mass120kg is raised vertically through a height of 2m in 30s by a… Next · Q17 Which of the following actions will improve the efficiency of the pulley system?

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