Calculate the mechanical advantage of a deodorant nozzle where the input force is 60 N and the output force is 15 N.

The input force is the force applied by your finger, and the output force is the force with which the deodorant sprays.
Input Force ($F_{in}$) = $60 \text{ N}$
Output Force ($F_{out}$) = $15 \text{ N}$

The mechanical advantage (MA) is calculated as the ratio of the output force to the input force.

A mechanical advantage of 0.25 means that the device (the deodorant nozzle mechanism) produces an output force that is less than the input force. In this case, the output force is one-quarter of the input force. This type of machine is designed to increase the distance or speed of the output rather than the force.