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.
Answer:Objective questions
Explanation:
The hypothalamus in the brain contributes to the body's maintenance of a steady internal physiological state, called homeostasis.
Answer:
It depends on there functions
Explanation:
little cells can be used forfor little functions and big cells need to be big to help the function
I am not 100% sure if this is correct I took this last year soo
