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JAMB Physics 2024 Paper

Question : 81

Total: 125

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Solution:

Concept:

Mechanical advantage is the ratio of the load overcome by the machine to the effort applied.

Explanation:

First, find the load, which is the weight of the mass lifted.

\text{load} = m \times g = 60 \times 10 = 600 \, \text{N}

The effort applied on the machine is

40 \, \text{N}

Now use the mechanical advantage formula:

\text{M.A} = \frac{\text{load}}{\text{effort}} = \frac{600}{40} = 15

Therefore, the mechanical advantage of the machine is

15

Answer:

15

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