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JAMB - Physics (1992 - No. 7)
A machine requires 1000J of work to raise a load of 500N through a vertical distance of 1.5m. Calculate the efficiency of the
80%
75%
50%
33%
Paliwanag
\(\frac{500 \times 1.5}{100.0}\) x 100%
= 75%
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