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the velocity ratio of a machine is 5 and efficiency is 75%.what effort would be neede to lift a load of 150N with the machine?
The velocity ratio of the machine is established at 5, with an efficiency of 75%. To determine the effort required to lift a load of 150N, the formula used is Effort = Load / (Velocity Ratio × Efficiency). Substituting the values, the effort needed is calculated as 150N / (5 × 0.75), resulting in an effort of 40N. This calculation demonstrates the relationship between load, velocity ratio, and efficiency in mechanical systems.
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