Battery? 3. A 12V battery (i. e. collection of cells) has a
terminal voltage of 11.64V when supplying a current
of 1.2A. Find the internal resistance of the battery.​

Since the pully is a simple machine so the mechanical advantage is a 1

Answertechnician (a) is correct;

There are no answer choices, so an example would be: it takes a long time and a lot of precision to sew a shirt by hand, so a machine was created to do the job instead.