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A 125 N box is pushed up an inclined plane which is 12.8 m long. It takes the 80 N force to push it up, which has 6 m height. Find the efficiency.
  • a)
    80%
  • b)
    60%
  • c)
    30%
  • d)
    90%
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A 125 N box is pushed up an inclined plane which is 12.8 m long. It t...
Input Work = 125 x 12.8 = 1600 J
Output Work = 80 x 6 = 480 J
Efficiency = (Output Work/ Input Work) x 100%
= (480/1600) x 100 = 30%
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A 125 N box is pushed up an inclined plane which is 12.8 m long. It takes the 80 N force to push it up, which has 6 m height. Find the efficiency.a)80%b)60%c)30%d)90%Correct answer is option 'C'. Can you explain this answer?
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