What is the mechanical advantage of the wheel and axle shown below?

a. 32.5
b. 21.9
c. 20.8
d. 28.5

The correct answer is A. 32.5

Mechanical advantage is the ratio of force that is input into a machine to the force output.

Mechanical advantage of a wheel and axle is calculated by dividing the radius of the wheel by that of the axle.

MA=R/r where R is the radius of the wheel and  r is the radius of the axle.

Substituting for the values in the question gives:

MA=26cm/0.8cm

    =32.5

Mechanical advantage of the wheel and axle is 32.5      

Explanation:

Given that,

The radius of the axle,

The radius of wheel ,        

We need to find the mechanical advantage of the wheel and axle. It can be calculated as :

MA = 32.5

So, the mechanical advantage of the wheel and axle shown below is 32.5 . Hence, this is the required solution.                                

e) none of the above answers are correct

a displacement distance is size of displ