What is the mechanical advantage of the pulley system? The weight is being moved requires a force of 180n. This is the output force. The hand is providing the input force, and is pulling w/45 of force.
To calculate the mechanical advantage of a pulley system, we use the formula:
Mechanical Advantage = Output Force / Input Force
In this case, the output force (the weight being moved) is 180 N and the input force (the force applied by the hand) is 45 N.
Therefore, the mechanical advantage of the pulley system can be calculated as:
Mechanical Advantage = 180 N / 45 N = 4
So, the mechanical advantage of the pulley system in this scenario is 4.