Nigerian Scholars » Past Questions » Physics » A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%...

A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%...


Question

A block and tackle system has 6 pulleys. If the efficiency of the machine is 60%, determine its mechanical advantages

Options

A) 12.0

B) 10.0

C) 3.6

D) 1.8

The correct answer is C.

Explanation:

M.A = \(\frac{Z \times V.R}{100} = \frac{60 \times 5}{100} = 3.6\)

More Past Questions:


Dicussion (1)