Mitch used a pulley to move a crate he applied an input force of 40 n to a box and the pulley had an output force of 120 N what is the mechanical advantage of the pulley a. 80
b. 0.33
c. 160
d. 3

77

step-by-step explanation:

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !