Question

A system of pulleys is used to raise a load of bricks that weighs 1,700 newtons. The force applied to the pulley is 340 newtons. What’s the mechanical advantage of this machine? 1 2 5 10

Answer 1

Answer:

The answer is 5

Explanation:

I got this question on a test and this was the right answer

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Answer 2

By definition, we have that the mechanical advantage is given by the following equation:
 $MA = \frac{W}{T}$
 Where,
 W: is the load
 T: is the tension
 Substituting the values in the given equation we have:
 $MA = \frac{1700}{340}$
 $MA = 5$
 Therefore, the mechanical advantage is equal to 5.
 Answer:
 The mechanical advantage of this machine is:
 MA = 5