Respuesta :
A pulley can either change the direction or the force, but not both.
Since a single fixed pulley makes an object go up when pulled down, it has changed direction.
So it can't also change force.
Since a single fixed pulley makes an object go up when pulled down, it has changed direction.
So it can't also change force.
Answer:
The input force is equal to the output force.
Explanation:
I got this question on a test and this was the right answer
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