A pulley system has a mechanical advantage of 3, and an object weighing 9 Newtons must be lifted 15 meters. How much force must be applied to lift the object?

Question

Use the following equation to find the answer:

MA=Fo/Fi

(1 point)
Responses

27 N
27 N

3 N
3 N

0.3 N
0.3 N

1.7 N

Answer 1

To find the force required to lift the object using the given mechanical advantage (MA), we can rearrange the equation:

MA = Fo / Fi

Where:

• MA = mechanical advantage (3 in this case)
• Fo = load force (weight of the object = 9 N)
• Fi = applied force

Rearranging the formula gives us:

Fi = Fo / MA

Now, plug in the values:

Fi = 9 N / 3 Fi = 3 N

So, the amount of force that must be applied to lift the object is 3 N.

The correct response is:

3 N