HomeEngineeringA weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is 15455. A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine isBy Admin / September 13, 2025 reversible non-reversible ideal ✅ The correct answer is option A.
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