Answer:
Explanation:
biology of your talking about life evolution but all if your talking about mankind evolution and technology
I think it’s a because that’s the easy question every
Answer:
Your answer is 2.
Explanation:
To calculate the mechanical advantage of a pulley you simply have to count the number of rope sections that support whatever object you are lifting (not counting the rope that is attached to the effort). For example, in a one pulley system the MA is 1. In a two pulley system the MA is 2.
