Question on: WAEC Physics - 2002
A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%, determine its mechanical advantages
A
12.0
B
10.0
C
3.6
D
1.8
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Correct Option: C
M.A = (\frac{Z \times V.R}{100} = \frac{60 \times 5}{100} = 3.6)
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