Josh opens a soda can by pulling on the tab. The picture shows Josh opening the soda can.

The tab is a simple machine. What is the mechanical advantage of the tab?

MA = output/input

a. 21.0
b. .7
c. 3.0
d. 9.0

The mechanical advantage of a simple machine is calculated by dividing the output force by the input force.

In this case, the output force is the force required to open the soda can, and the input force is the force Josh applies to the tab.

Since the tab makes it easier for Josh to open the soda can, the output force is greater than the input force. Therefore, the mechanical advantage of the tab is greater than 1.

Unfortunately, without specific measurements of the forces involved, we cannot determine the exact mechanical advantage of the tab. Therefore, none of the given options (a, b, c, or d) can be considered correct.