The energy that you put into making the machine do work is a product of force and displacement.
If you have to go further with your input force, than the object is moved, then your advantage is increased.
Explanation:
<span>"Hypothesis, because tentative means unsure."
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Answer:
I would probably say (a) kinetochore microtubules
Our elbow bends all the time, we bend it when we pick up things, when we eat, when we do mostly everything. Cows on the other hand dont pick up food with there feet, they use there mouths, and they probably only bend when they are walking.
