The efficiency of the pulley system shown below is 80%. find the effort E required

PHYSICS
JAMB 2008

The efficiency of the pulley system shown below is 80%. find the effort E required to lift the load of 1200N

  • A) 275N
  • B) 325N
  • C) 375N
  • D) 573N

Correct Answer: C) 375N



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