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Question 5

A plane inclined at an angle at 30o to the horizontal has an efficiency of 50%. The force parallel to the plane required to push a load of 120 N uniformly up the plane is

  • A.40√3N
  • B.60N
  • C.120N
  • D.200N
  • E.240N
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1990
Question no.
#5
Type
Objective
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