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A machine of velocity ratio 5 is used in lifting a load with an effort of 500N. If the ...

A machine of velocity ratio 5 is used in lifting a load with an effort of 500N. If the machine is 80% efficient. Determine the magnitude of load
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  • A 2500N
  • B 2000N
  • C 900N
  • D 625N
Correct Answer: Option B
Explanation:
M.A = \(\frac{Eff \times V.r}{100} = \frac{80 \times 5}{100} = 4\)
Load = effort x M.A
= 4 x 500 = 2000N

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