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  9. Q9
Question 9

A machine has an efficiency of 60%. If the machine is required to overcome a load of 30 N with a force of 20 N calculate its mechanical advantage?

  • A.0.7
  • B.0.9
  • C.1.5
  • D.2.5
  • E.10.0
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1995
Question no.
#9
Type
Objective
Previous · Q8A car travelling at a uniform speed of 120km h -1 passes two stations in 4… Next · Q10 A body weighing 10 N in air is partially immersed in water. It displaces water…

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