28. A 20-N force applied to the handle of a door produces a 44-N output force. What is the AMA of the handle? Show your work.

actual mechanical advantage of AMA is the ratio of the output force by a machine to the force that was inputted to the machine

AMA = output force / input force
AMA = 44 N / 20 N
AMA = 2.2 is the actual mechanical advantage of the handle of the door

To find the AMA (Mechanical Advantage) of the handle, you need to divide the output force by the input force. The formula for AMA is:

AMA = Output Force / Input Force

In this case, the output force is given as 44 N, and the input force is given as 20 N.

So, to find the AMA, you can simply substitute these values into the formula:

AMA = 44 N / 20 N

Now, divide 44 N by 20 N:

AMA = 2.2

Therefore, the AMA of the handle is 2.2.

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