Answer:
17.49286
Step-by-step explanation:
Photomath :)
Answer:
In a pulley, the ideal mechanical advantage is equal to the number of rope segments pulling up on the object. The more rope segments that are helping to do the lifting work, the less force that is needed for the job.
This simplified is 126x so that is equivalent to this expression
Would it be B which is 51%
as you do 129 devided by 3.3 = 39.1
180-39.1= 141
141 is just over half
It is negative because the plot is going down not up
