The effort required to lift a load of 3500N is 2500N.
The formula for calculating the effort required is: Effort = Load x (Velocity Ratio / Efficiency).
Therefore, Effort = 3500N x (7 / 0.8) = 2500N
A machine with a velocity ratio of 7 is 80% efficient. Determine the magnitude of the effort required to lift a load of 3500N
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