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Question 3

A force of 100 N is needed to lift a load of 50 N using a pulley system whose velocity ratio is 4. The efficiency of the system is __.

  • A.0.5%
  • B.8%
  • C.12.5%
  • D.50%
Objective

Question details

Exam body
UNIPORT
Subject
Physics
Year
2020/2021
Question no.
#3
Type
Objective
Previous · Q2Impulse has the same dimension as one of these physical quantities: Next · Q4 Calculate the heat required to convert 10g of ice at -10°C to water at 50°C. The…

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